Double free error in gettext - CVE-2018-18751
Published: October 30, 2018 / Updated: October 30, 2018
Vulnerability identifier: #VU15583
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-18751
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
gettext
gettext
Detailed vulnerability description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to a double-free condition that exists in the default_add_messagefunction, as defined in the read-catalog.c source code file that is related to an invalid-free condition in the po_gram_parse function, in the po-gram-gen.ysource code file. A local attacker can execute the msgfmt --check command on a file that submits malicious input and cause the service to crash.
How to mitigate CVE-2018-18751
Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.