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AUSCERT External Security Bulletin Redistribution
ESB-2023.3237
USN-6142-1: nghttp2 vulnerability
7 June 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: nghttp2
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11080
Original Bulletin:
https://ubuntu.com/security/notices/USN-6142-1
Comment: CVSS (Max): 7.5 CVE-2020-11080 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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USN-6142-1: nghttp2 vulnerability
6 June 2023
nghttp2 could be made to crash if it opened a specially crafted file.
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and
Universe repositories, and it is free for up to five machines.
Learn more about Ubuntu Pro
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 ESM
o Ubuntu 16.04 ESM
Packages
o nghttp2 - HTTP/2 C Library and tools
Details
Gal Goldshtein discovered that nghttp2 incorrectly handled certain inputs. If
a user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service.
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and
Universe repositories, and it is free for up to five machines.
Learn more about Ubuntu Pro
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o libnghttp2-14 - 1.40.0-1ubuntu0.1
o libnghttp2-dev - 1.40.0-1ubuntu0.1
o nghttp2-proxy - 1.40.0-1ubuntu0.1
o nghttp2 - 1.40.0-1ubuntu0.1
o nghttp2-client - 1.40.0-1ubuntu0.1
o nghttp2-server - 1.40.0-1ubuntu0.1
Ubuntu 18.04
o libnghttp2-14 - 1.30.0-1ubuntu1+esm1
Available with Ubuntu Pro
o libnghttp2-dev - 1.30.0-1ubuntu1+esm1
Available with Ubuntu Pro
o nghttp2-proxy - 1.30.0-1ubuntu1+esm1
Available with Ubuntu Pro
o nghttp2 - 1.30.0-1ubuntu1+esm1
Available with Ubuntu Pro
o nghttp2-client - 1.30.0-1ubuntu1+esm1
Available with Ubuntu Pro
o nghttp2-server - 1.30.0-1ubuntu1+esm1
Available with Ubuntu Pro
Ubuntu 16.04
o libnghttp2-14 - 1.7.1-1ubuntu0.1~esm1
Available with Ubuntu Pro
o libnghttp2-dev - 1.7.1-1ubuntu0.1~esm1
Available with Ubuntu Pro
o nghttp2-proxy - 1.7.1-1ubuntu0.1~esm1
Available with Ubuntu Pro
o nghttp2 - 1.7.1-1ubuntu0.1~esm1
Available with Ubuntu Pro
o nghttp2-client - 1.7.1-1ubuntu0.1~esm1
Available with Ubuntu Pro
o nghttp2-server - 1.7.1-1ubuntu0.1~esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-11080
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