Ubuntu update for libde265

1) Heap-based buffer overflow

EUVDB-ID: #VU86312

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21594

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the put_epel_hv_fallback() function when decoding files. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Heap-based buffer overflow

EUVDB-ID: #VU86313

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21595

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the mc_luma() function when decoding files. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Buffer overflow

EUVDB-ID: #VU86314

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21596

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the decode_CABAC_bit() function. A remote attacker can pass a specially crafted file to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Heap-based buffer overflow

EUVDB-ID: #VU86315

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21599

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the de265_image::available_zscan() function. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Heap-based buffer overflow

EUVDB-ID: #VU86316

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21600

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the put_weighted_pred_avg_16_fallback() function. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Stack-based buffer overflow

EUVDB-ID: #VU86317

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21601

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the put_qpel_fallback() function. A remote attacker can pass a specially crafted file to the application, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Heap-based buffer overflow

EUVDB-ID: #VU86318

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21602

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the put_weighted_bipred_16_fallback() function. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Heap-based buffer overflow

EUVDB-ID: #VU86319

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21603

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the put_qpel_0_0_fallback_16() function. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Heap-based buffer overflow

EUVDB-ID: #VU86320

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21604

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the _mm_loadl_epi64() function. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Buffer overflow

EUVDB-ID: #VU86321

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21605

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the apply_sao_internal() function. A remote attacker can pass a specially crafted file to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Heap-based buffer overflow

EUVDB-ID: #VU86376

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21597

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the mc_chroma() function. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Heap-based buffer overflow

EUVDB-ID: #VU86489

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21598

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the ff_hevc_put_unweighted_pred_8_sse() function. A remote attacker can pass specially crafted input to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Out-of-bounds write

EUVDB-ID: #VU86490

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-21606

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the put_epel_16_fallback() function. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Use-after-free

EUVDB-ID: #VU86491

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36408

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in intrapred.h when decoding file using dec265. A remote attacker can pass a specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libde265 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libde265-0 (Ubuntu package): before Ubuntu Pro

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6617-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Risk	High
Patch available	YES
Number of vulnerabilities	14
CVE-ID	CVE-2020-21594 CVE-2020-21595 CVE-2020-21596 CVE-2020-21599 CVE-2020-21600 CVE-2020-21601 CVE-2020-21602 CVE-2020-21603 CVE-2020-21604 CVE-2020-21605 CVE-2020-21597 CVE-2020-21598 CVE-2020-21606 CVE-2021-36408
CWE-ID	CWE-122 CWE-119 CWE-121 CWE-787 CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system libde265-0 (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.