NULL Pointer Dereference Affecting libytnef package, versions <1.9.3-1
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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- published7 Jun 2017
- disclosed7 Jun 2017
Introduced: 7 Jun 2017
CVE-2017-9470 (opens in a new tab)How to fix?
Upgrade Debian:12 libytnef to version 1.9.3-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libytnef package and not the libytnef package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
In ytnef 1.9.2, the MAPIPrint function in lib/ytnef.c allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.
References
- https://security-tracker.debian.org/tracker/CVE-2017-9470
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
- https://blogs.gentoo.org/ago/2017/05/24/ytnef-null-pointer-dereference-in-mapiprint-ytnef-c/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9470
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/