CVE-2018-20545: There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data

High severity · published Dec 28, 2018

CVE-2018-20545

There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data

8.8

CVSS

2.4%

EPSS

On KEV

Description

There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.4% · higher than 84% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Fedora · Fedoraproject

34; 35; 36 · source: NVD

Leap · Opensuse

15.0 · source: NVD

Libcaca · Libcaca Project

0.99 · source: NVD

Ubuntu Linux · Canonical

12.04; 14.04; 16.04; 18.04; 18.10 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-20545

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-20545

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.html

Exploit

https://bugzilla.redhat.com/show_bug.cgi?id=1652621

Patch

https://github.com/cacalabs/libcaca/commit/3e52dabe3e64dc50f4422effe364a1457a8a8592

Exploit

https://github.com/cacalabs/libcaca/issues/37

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/