Multiple vulnerabilities in Pillow



Published: 2021-04-13
Risk Medium
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2021-25287
CVE-2021-25288
CVE-2021-28675
CVE-2021-28676
CVE-2021-28677
CVE-2021-28678
CWE-ID CWE-119
CWE-125
CWE-399
CWE-835
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Pillow
Universal components / Libraries / Libraries used by multiple products

Vendor Alex Clark and Contributors

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU52193

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: N/A

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing TTF fonts in ImageFont.py. A remote attacker can create a specially crafted file to the application, trigger memory corruption and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 1.0 - 8.1.2

External links

http://github.com/python-pillow/Pillow/releases/tag/8.2.0
http://github.com/python-pillow/Pillow/pull/5377/commits/8ec027867f19633d9adfc5c8b7504d9b609fc5f1


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) Out-of-bounds read

EUVDB-ID: #VU52187

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25287

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Jpeg2KDecode method. A remote attacker can create a specially crafted J2k image, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 2.4.0 - 8.1.2

External links

http://github.com/python-pillow/Pillow/releases/tag/8.2.0
http://github.com/python-pillow/Pillow/pull/5377/commits/8ec027867f19633d9adfc5c8b7504d9b609fc5f1


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) Out-of-bounds read

EUVDB-ID: #VU52188

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25288

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Jpeg2KDecode method. A remote attacker can create a specially crafted J2k image, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 2.4.0 - 8.1.2

External links

http://github.com/python-pillow/Pillow/releases/tag/8.2.0
http://github.com/python-pillow/Pillow/pull/5377/commits/8ec027867f19633d9adfc5c8b7504d9b609fc5f1


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) Resource management error

EUVDB-ID: #VU52189

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-2021-28675

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources in PsdImagePlugin.PsdImageFile method. A remote attacker can pass specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 1.0 - 8.1.2

External links

http://github.com/python-pillow/Pillow/releases/tag/8.2.0


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) Infinite loop

EUVDB-ID: #VU52190

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-2021-28676

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop in FliDecode.c. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 1.0 - 8.1.2

External links

http://github.com/python-pillow/Pillow/releases/tag/8.2.0
http://github.com/python-pillow/Pillow/pull/5377/commits/8ec027867f19633d9adfc5c8b7504d9b609fc5f1


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) Input validation error

EUVDB-ID: #VU52191

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-2021-28677

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when processing new line characters, such as "\r", "\n" when opening files. A remote attacker can pass specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 1.0 - 8.1.2

External links

http://github.com/python-pillow/Pillow/releases/tag/8.2.0
http://github.com/python-pillow/Pillow/pull/5377/commits/8ec027867f19633d9adfc5c8b7504d9b609fc5f1


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) Resource management error

EUVDB-ID: #VU52192

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-2021-28678

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources in BlpImagePlugin. A remote attacker can pass specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 5.1.0 - 8.1.2

External links

http://github.com/python-pillow/Pillow/releases/tag/8.2.0
http://github.com/python-pillow/Pillow/pull/5377/commits/8ec027867f19633d9adfc5c8b7504d9b609fc5f1


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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