Vulnerability Description
Off-by-one vulnerability in the fgetwln function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer overflow.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 24 |
| Freedesktop | Libbsd | < 0.8.2 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/01/28/5Mailing ListThird Party Advisory
- https://blog.fuzzing-project.org/36-Heap-buffer-overflow-in-fgetwln-function-of-Third Party Advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=93881Issue TrackingThird Party Advisory
- https://cgit.freedesktop.org/libbsd/commit/?id=c8f0723d2b4520bdd6b9eb7c3e7976de7Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00036.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/201607-13Third Party Advisory
- https://usn.ubuntu.com/4243-1/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/28/5Mailing ListThird Party Advisory
- https://blog.fuzzing-project.org/36-Heap-buffer-overflow-in-fgetwln-function-of-Third Party Advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=93881Issue TrackingThird Party Advisory
- https://cgit.freedesktop.org/libbsd/commit/?id=c8f0723d2b4520bdd6b9eb7c3e7976de7Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00036.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2016-2090?
CVE-2016-2090 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Off-by-one vulnerability in the fgetwln function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer overflow.
How severe is CVE-2016-2090?
CVE-2016-2090 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-2090?
Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Freedesktop Libbsd, Debian Debian Linux, Canonical Ubuntu Linux.