Buffer overflow in Pillow



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-34552
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Pillow
Universal components / Libraries / Libraries used by multiple products

Vendor Alex Clark and Contributors

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU68607

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-34552

CWE-ID: CWE-119 - Memory corruption

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 when processing untrusted input. A remote attacker with ability to pass controlled parameters directly into a convert function can trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pillow: 1.0 - 8.2.0

CPE2.3 External links

https://pillow.readthedocs.io/en/stable/releasenotes/index.html
https://pillow.readthedocs.io/en/stable/releasenotes/8.3.0.html#buffer-overflow
https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7V6LCG525ARIX6LX5QRYNAWVDD2MD2SV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUGBBT63VL7G4JNOEIPDJIOC34ZFBKNJ/


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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