CVE-2021-25292

MEDIUM6.5EPSS 0.18%

Regular Expression Denial of Service (ReDoS) in Pillow

發布日:2021/3/29修改日:2024/10/9

也稱為:GHSA-9hx2-hgq2-2g4fALPINE-CVE-2021-25292BIT-pillow-2021-25292PYSEC-2021-38

描述

An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.

受影響套件(5)

Alpine/py3-pillowfrom 0, < 8.1.2-r0
Bitnami/pillowfrom 0, < 8.1.1
Debian/pillowfrom 0, < 8.1.1-1
PyPI/pillow>= 5.1.0, < 8.1.1
PyPI/pillowfrom 0, < 8.1.1

CVSS 分數

來源	版本	嚴重程度	向量
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
osv	CVSS 3.1	MEDIUM6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

參考連結(11)

ADVISORYhttps://github.com/advisories/GHSA-9hx2-hgq2-2g4f
ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-25292
ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2021-25292
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-25292
WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-38.yaml
WEBhttps://github.com/python-pillow/Pillow
WEBhttps://github.com/python-pillow/Pillow/commit/3bce145966374dd39ce58a6fc0083f8d1890719c
WEBhttps://github.com/python-pillow/Pillow/commit/521dab94c7ab72b037bd9a83e9663401e0fd2cee
WEBhttps://github.com/python-pillow/Pillow/commit/6207b44ab1ff4a91d8ddc7579619876d0bb191a4
WEBhttps://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
WEBhttps://security.gentoo.org/glsa/202107-33