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AUSCERT External Security Bulletin Redistribution
ESB-2022.2515
USN-5432-1: libpng vulnerabilities
24 May 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: libpng
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14048 CVE-2017-12652
Original Bulletin:
https://ubuntu.com/security/notices/USN-5432-1
Comment: CVSS (Max): 9.8 CVE-2017-12652 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H/I:H/A:H
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USN-5432-1: libpng vulnerabilities
23 May 2022
Several security issues were fixed in libpng.
Releases
o Ubuntu 16.04 ESM
Packages
o libpng - PNG (Portable Network Graphics) file library
Details
It was discovered that libpng incorrectly handled memory when parsing
certain PNG files. If a user or automated system were tricked into opening
a specially crafted PNG file, an attacker could use this issue to cause
libpng to crash, resulting in a denial of service, or possible execute
arbitrary code. ( CVE-2017-12652 )
Zhengxiong Luo discovered that libpng incorrectly handled memory when parsing
certain PNG files. If a user or automated system were tricked into opening
a specially crafted PNG file, an attacker could use this issue to cause
libpng to crash, resulting in a denial of service, or possible execute
arbitrary code. ( CVE-2018-14048 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 16.04
o libpng12-0 - 1.2.54-1ubuntu1.1+esm1
Available with UA Infra or UA Desktop
o libpng12-dev - 1.2.54-1ubuntu1.1+esm1
Available with UA Infra or UA Desktop
o libpng3 - 1.2.54-1ubuntu1.1+esm1
Available with UA Infra or UA Desktop
In general, a standard system update will make all the necessary changes.
References
o CVE-2017-12652
o CVE-2018-14048
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