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CVE-2021-34552

Good to know:

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Date: July 12, 2021

Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.

Language: Python

Severity Score

Related Resources (20)

https://security.alpinelinux.org/vuln/CVE-2021-34552
https://pillow.readthedocs.io/en/stable/releasenotes/8.3.0.html#buffer-overflow
https://nvd.nist.gov/vuln/detail/CVE-2021-34552
https://github.com/python-pillow/Pillow
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUGBBT63VL7G4JNOEIPDJIOC34ZFBKNJ
https://pillow.readthedocs.io/en/stable/releasenotes/index.html
https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html
https://github.com/python-pillow/Pillow/commit/31c473898c29d1b7cb6555ce67d9503a4906b83f
https://security-tracker.debian.org/tracker/CVE-2021-34552
https://github.com/python-pillow/Pillow/pull/5567
https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-331.yaml
https://github.com/advisories/GHSA-7534-mm45-c74v
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUGBBT63VL7G4JNOEIPDJIOC34ZFBKNJ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7V6LCG525ARIX6LX5QRYNAWVDD2MD2SV/
https://security.gentoo.org/glsa/202211-10
https://access.redhat.com/security/cve/CVE-2021-34552
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7V6LCG525ARIX6LX5QRYNAWVDD2MD2SV
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7V6LCG525ARIX6LX5QRYNAWVDD2MD2SV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUGBBT63VL7G4JNOEIPDJIOC34ZFBKNJ/
https://www.mend.io/vulnerability-database/CVE-2021-34552

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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Upgrade Version

Upgrade to version pillow - 8.3.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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