NULL Pointer Dereference Affecting libpng package, versions <1.2.50-1ubuntu2.14.04.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1404-LIBPNG-294269
- published30 Jan 2017
- disclosed30 Jan 2017
Introduced: 30 Jan 2017
CVE-2016-10087 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.04 libpng to version 1.2.50-1ubuntu2.14.04.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libpng package and not the libpng package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
The png_set_text_2 function in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer dereference vectors involving loading a text chunk into a png structure, removing the text, and then adding another text chunk to the structure.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10087
- https://security-tracker.debian.org/tracker/CVE-2016-10087
- https://security.gentoo.org/glsa/201701-74
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- http://www.openwall.com/lists/oss-security/2016/12/29/2
- http://www.openwall.com/lists/oss-security/2016/12/30/4
- http://www.securityfocus.com/bid/95157
- https://usn.ubuntu.com/3712-1/
- https://usn.ubuntu.com/3712-2/
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E