CVE-2018-13346

high

Description

The mpatch_apply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004.

References

https://access.redhat.com/errata/RHSA-2019:2276

https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html

https://www.mercurial-scm.org/repo/hg/rev/faa924469635

https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29

Details

Source: MITRE

Published: 2018-07-06

Updated: 2020-07-31

Type: CWE-20

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH