CVE Vulnerability

CVE-2018-18751

An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption Exploit Third Party Advisory
https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree Exploit Third Party Advisory
https://usn.ubuntu.com/3815-2/ Third Party Advisory
https://usn.ubuntu.com/3815-1/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3643
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00061.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00065.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00025.html
Configurations

Configuration 1

cpe:2.3:a:gnu:gettext:0.19.8:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Information

Published : 2018-10-29 12:29

Updated : 2020-09-08 06:15

NVD link : CVE-2018-18751

Mitre link : CVE-2018-18751

Products Affected
No products.
CWE
CWE-415