CVE-2015-7981 Information disclosure in n/a
Remote attackers can obtain sensitive process memory information via crafted tIME chunk data in an image file, triggering an out-of-bounds read in libpng.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-7981?
CVE-2015-7981 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 24 Nov 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The png_convert_to_rfc1123 function in png.c in libpng 1.0.x before 1.0.64, 1.2.x before 1.2.54, and 1.4.x before 1.4.17 allows remote attackers to obtain sensitive process memory information via crafted tIME chunk data in an image file, which triggers an out-of-bounds read.
Weakness: CWE-200
Which versions are affected by CVE-2015-7981?
It affects 10 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Libpng Libpng, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Hpc Node Eus and 4 more.
How do I fix CVE-2015-7981?
Upgrade to a fixed version.
Is CVE-2015-7981 being exploited?
There is no known exploitation of CVE-2015-7981 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as AZL-41980, GHSA-fr3h-2jww-582m, MGASA-2015-0417, UBUNTU-CVE-2015-7981.