Vulnerability Description
_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libtiff | Libtiff | <= 4.0.10 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 30 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Third Party AdvisoryVDB Entry
- https://gitlab.com/libtiff/libtiff/merge_requests/90PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00031.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Nov/5Mailing ListThird Party Advisory
- https://seclists.org/bugtraq/2020/Jan/32Mailing ListThird Party Advisory
- https://www.debian.org/security/2020/dsa-4608Third Party Advisory
- https://www.debian.org/security/2020/dsa-4670Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Third Party AdvisoryVDB Entry
- https://gitlab.com/libtiff/libtiff/merge_requests/90PatchThird Party Advisory
FAQ
What is CVE-2019-14973?
CVE-2019-14973 is a vulnerability with a CVSS score of 6.5 (MEDIUM). _TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. ...
How severe is CVE-2019-14973?
CVE-2019-14973 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-14973?
Check the references section above for vendor advisories and patch information. Affected products include: Libtiff Libtiff, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap.