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CVE-2021-23437 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-23437

CVE-2021-23437

HIGH7.5

Regular Expression Denial of Service (ReDoS)

Published Sep 3, 2021

Modified 2 years ago

Details

The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.

References

WEB

https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b

WEB

https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/

WEB

https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html

ADVISORY

https://security.gentoo.org/glsa/202211-10

WEB

https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-23437

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedSep 3, 2021

ModifiedSep 16, 2024