CVE-2018-20546
HIGH severity · CVSS 8.1 · Integer overflow
8.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=1652622 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=1652622Patch
- https://github.com/cacalabs/libcaca/commit/1022d97496c7899e8641515af363381b31ae2f05Patch
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.htmlAdvisory
- https://github.com/cacalabs/libcaca/issues/38Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00007.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/