Integer overflow in Binutils - CVE-2018-18483
Published: October 18, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36486
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-18483
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Binutils
Binutils
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The get_count function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31, allows remote attackers to cause a denial of service (malloc called with the result of an integer-overflowing calculation) or possibly have unspecified other impact via a crafted string, as demonstrated by c++filt.
How to mitigate CVE-2018-18483
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
- http://www.securityfocus.com/bid/105689
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87602
- https://sourceware.org/bugzilla/show_bug.cgi?id=23767
- https://usn.ubuntu.com/4326-1/
- https://usn.ubuntu.com/4336-1/