NULL Pointer Dereference Affecting jasper package, versions <1.900.1-debian1-2.4ubuntu1.2
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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- published15 Mar 2017
- disclosed15 Mar 2017
Introduced: 15 Mar 2017
CVE-2017-6850 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 jasper to version 1.900.1-debian1-2.4ubuntu1.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream jasper package and not the jasper package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
The jp2_cdef_destroy function in jp2_cod.c in JasPer before 2.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted image.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-6850
- https://security-tracker.debian.org/tracker/CVE-2017-6850
- https://github.com/mdadams/jasper/commit/e96fc4fdd525fa0ede28074a7e2b1caf94b58b0d
- https://github.com/mdadams/jasper/issues/112
- https://blogs.gentoo.org/ago/2017/01/25/jasper-null-pointer-dereference-in-jp2_cdef_destroy-jp2_cod-c/
- https://usn.ubuntu.com/3693-1/