#VU79345 Use-after-free in Binutils - CVE-2020-16592
Published: August 10, 2023
Vulnerability identifier: #VU79345
Vulnerability risk: Low
CVSSv4.0: 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:Clear
CVE-ID: CVE-2020-16592
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Binutils
Binutils
Software vendor:
GNU
GNU
Description
The vulnerability allows a local attacker to perform a denial of service attack.
The vulnerability exists in bfd_hash_lookup. A local attacker can trick the victim into opening a specially crafted data, trigger use-after-free and perform a denial of service attack.
Remediation
Install updates from vendor's website.
External links
- https://sourceware.org/bugzilla/show_bug.cgi?id=25823
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7ecb51549ab1ec22aba5aaf34b70323cf0b8509a
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UKIMSD5FIC3QFJDKNHR2PSO6JYJGCLHB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DJIW6KKY2TSLD43XEZXG56WREIIBUIIQ/
- https://security.netapp.com/advisory/ntap-20210115-0003/