Ubuntu update for openexr



Risk High
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2021-20296
CVE-2021-23215
CVE-2021-26260
CVE-2021-3598
CVE-2021-3605
CWE-ID CWE-476
CWE-190
CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

openexr (Ubuntu package)
Operating systems & Components / Operating system package or component

libopenexr22 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU51935

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-20296

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in the Dwa decompression functionality. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package openexr to the latest version.

Vulnerable software versions

Ubuntu: 16.04

openexr (Ubuntu package): before 2.2.010u buntu2.6+esm1

libopenexr22 (Ubuntu package): before 2.2.010u buntu2.6+esm1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4996-2


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) Integer overflow

EUVDB-ID: #VU54397

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-23215

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in the DwaCompressor of OpenEXR. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package openexr to the latest version.

Vulnerable software versions

Ubuntu: 16.04

openexr (Ubuntu package): before 2.2.010u buntu2.6+esm1

libopenexr22 (Ubuntu package): before 2.2.010u buntu2.6+esm1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4996-2


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) Integer overflow

EUVDB-ID: #VU54402

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-26260

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in the DwaCompressor of OpenEXR. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service attack.

Mitigation

Update the affected package openexr to the latest version.

Vulnerable software versions

Ubuntu: 16.04

openexr (Ubuntu package): before 2.2.010u buntu2.6+esm1

libopenexr22 (Ubuntu package): before 2.2.010u buntu2.6+esm1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4996-2


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: #VU54399

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3598

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 readChars() function in ImfIO.h. A remote attacker can pass specially crafted data to the application, trigger 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 openexr to the latest version.

Vulnerable software versions

Ubuntu: 16.04

openexr (Ubuntu package): before 2.2.010u buntu2.6+esm1

libopenexr22 (Ubuntu package): before 2.2.010u buntu2.6+esm1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4996-2


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: #VU54398

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3605

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 rleUncompress function in ImfRle.cpp. A remote attacker can pass specially crafted data to the application, trigger 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 openexr to the latest version.

Vulnerable software versions

Ubuntu: 16.04

openexr (Ubuntu package): before 2.2.010u buntu2.6+esm1

libopenexr22 (Ubuntu package): before 2.2.010u buntu2.6+esm1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4996-2


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.



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