CVE-2018-7730

MEDIUM

Description

An issue was discovered in Exempi through 2.4.4. A certain case of a 0xffffffff length is mishandled in XMPFiles/source/FormatSupport/PSIR_FileWriter.cpp, leading to a heap-based buffer over-read in the PSD_MetaHandler::CacheFileData() function.

References

https://access.redhat.com/errata/RHSA-2019:2048

https://bugs.freedesktop.org/show_bug.cgi?id=105204

https://cgit.freedesktop.org/exempi/commit/?id=6cbd34025e5fd3ba47b29b602096e456507ce83b

https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/

https://usn.ubuntu.com/3668-1/

Details

Source: MITRE

Published: 2018-03-06

Updated: 2020-10-26

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM