Input validation error in Binutils - CVE-2017-15939
Published: October 27, 2017 / Updated: February 10, 2022
Vulnerability identifier: #VU38004
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-15939
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Binutils
Binutils
Detailed vulnerability description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename.
How to mitigate CVE-2017-15939
Install update from vendor's website.
Sources
- http://www.securityfocus.com/bid/101613
- https://blogs.gentoo.org/ago/2017/10/24/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c-incomplete-fix-for-cve-2017-15023/
- https://security.gentoo.org/glsa/201801-01
- https://sourceware.org/bugzilla/show_bug.cgi?id=22205
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a54018b72d75abf2e74bf36016702da06399c1d9