CVE-2020-24977

MEDIUM

Description

GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been fixed in commit 50f06b3e.

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00036.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00061.html

https://gitlab.gnome.org/GNOME/libxml2/-/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2

https://gitlab.gnome.org/GNOME/libxml2/-/issues/178

https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/2NQ5GTDYOVH26PBCPYXXMGW5ZZXWMGZC/

https://lists.fedoraproject.org/archives/list/[email protected]/message/5KTUAGDLEHTH6HU66HBFAFTSQ3OKRAN3/

https://lists.fedoraproject.org/archives/list/[email protected]/message/674LQPJO2P2XTBTREFR5LOZMBTZ4PZAY/

https://lists.fedoraproject.org/archives/list/[email protected]/message/7KQXOHIE3MNY3VQXEN7LDQUJNIHOVHAW/

https://lists.fedoraproject.org/archives/list/[email protected]/message/ENEHQIBMSI6TZVS35Y6I4FCTYUQDLJVP/

https://lists.fedoraproject.org/archives/list/[email protected]/message/H3IQ7OQXBKWD3YP7HO6KCNOMLE5ZO2IR/

https://lists.fedoraproject.org/archives/list/[email protected]/message/J3ICASXZI2UQYFJAOQWHSTNWGED3VXOE/

https://lists.fedoraproject.org/archives/list/[email protected]/message/JCHXIWR5DHYO3RSO7RAHEC6VJKXD2EH2/

https://lists.fedoraproject.org/archives/list/[email protected]/message/O7MEWYKIKMV2SKMGH4IDWVU3ZGJXBCPQ/

https://lists.fedoraproject.org/archives/list/[email protected]/message/RIQAMBA2IJUTQG5VOP5LZVIZRNCKXHEQ/

https://security.netapp.com/advisory/ntap-20200924-0001/

Details

Source: MITRE

Published: 2020-09-04

Updated: 2020-11-27

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 6.4

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

Impact Score: 4.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

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

Impact Score: 2.5

Exploitability Score: 3.9

Severity: MEDIUM