Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2022.1671
gzip security update
19 April 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: gzip
Publisher: Debian
Operating System: Debian GNU/Linux
Resolution: Patch/Upgrade
CVE Names: CVE-2022-1271
Original Bulletin:
http://www.debian.org/security/2022/dsa-5122
Comment: CVSS (Max): 7.1 CVE-2022-1271 (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
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Debian Security Advisory DSA-5122-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
April 18, 2022 https://www.debian.org/security/faq
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Package : gzip
CVE ID : CVE-2022-1271
Debian Bug : 1009168
cleemy desu wayo reported that incorrect handling of filenames by zgrep
in gzip, the GNU compression utilities, can result in overwrite of
arbitrary files or execution of arbitrary code if a file with a
specially crafted filename is processed.
For the oldstable distribution (buster), this problem has been fixed
in version 1.9-3+deb10u1.
For the stable distribution (bullseye), this problem has been fixed in
version 1.10-4+deb11u1.
We recommend that you upgrade your gzip packages.
For the detailed security status of gzip please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/gzip
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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