Vulnerability Description
There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for the default bpp case.
CVSS Score
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libcaca Project | Libcaca | 0.99 |
| Canonical | Ubuntu Linux | 12.04 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 8.0 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1652622ExploitIssue TrackingPatch
- https://github.com/cacalabs/libcaca/commit/1022d97496c7899e8641515af363381b31ae2PatchThird Party Advisory
- https://github.com/cacalabs/libcaca/issues/38Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00007.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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/3860-1/Third Party Advisory
- https://usn.ubuntu.com/3860-2/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1652622ExploitIssue TrackingPatch
- https://github.com/cacalabs/libcaca/commit/1022d97496c7899e8641515af363381b31ae2PatchThird Party Advisory
- https://github.com/cacalabs/libcaca/issues/38Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00007.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-20546?
CVE-2018-20546 is a vulnerability with a CVSS score of 8.1 (HIGH). There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for the default bpp case.
How severe is CVE-2018-20546?
CVE-2018-20546 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20546?
Check the references section above for vendor advisories and patch information. Affected products include: Libcaca Project Libcaca, Canonical Ubuntu Linux, Fedoraproject Fedora, Debian Debian Linux, Opensuse Leap.