CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
88.9%
Severity: High
Date : 2019-08-24
CVE-ID : CVE-2018-18751
Package : gettext
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-885
The package gettext before version 0.20.1-1 is vulnerable to arbitrary
code execution.
Upgrade to 0.20.1-1.
The problem has been fixed upstream in version 0.20.1.
None.
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.
A local attacker is able to execute arbitrary code by using a specially
crafted message.
https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption
https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree
https://git.savannah.gnu.org/gitweb/?p=gettext.git;a=commitdiff;h=dce3a16
https://security.archlinux.org/CVE-2018-18751
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
88.9%