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CVE-2020-35653

Good to know:

Date: January 12, 2021

In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.

Language: Python

Severity Score

7.1

Related Resources (15)

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/

Url: https://github.com/python-pillow/Pillow/commit/2f409261eb1228e166868f8f0b5da5cda52e55bf

Url: https://github.com/python-pillow/Pillow

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-35653

Url: https://pillow.readthedocs.io/en/stable/releasenotes/index.html

Url: https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html

Url: https://access.redhat.com/security/cve/CVE-2020-35653

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/

Url: https://github.com/advisories/GHSA-f5g8-5qq7-938w

Url: https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-69.yaml

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/

Url: https://www.mend.io/vulnerability-database/CVE-2020-35653

Severity Score

7.1

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version 8.1.0

CVSS v3.1

Base Score:	7.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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