NULL Pointer Dereference Affecting tiff package, versions <4.0.7-r0
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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Test your applications- Snyk IDSNYK-ALPINE32-TIFF-1087232
- published27 Jan 2017
- disclosed27 Jan 2017
Introduced: 27 Jan 2017
CVE-2016-9448 (opens in a new tab)How to fix?
Upgrade Alpine:3.2 tiff to version 4.0.7-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tiff package and not the tiff package as distributed by Alpine.
See How to fix? for Alpine:3.2 relevant fixed versions and status.
The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9448
- http://www.debian.org/security/2017/dsa-3762
- https://security.gentoo.org/glsa/201701-16
- http://bugzilla.maptools.org/show_bug.cgi?id=2593
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html
- http://www.openwall.com/lists/oss-security/2016/11/18/15
- http://www.securityfocus.com/bid/94420
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9448