Double Free in elfutils - CVE-2018-16402
Published: September 3, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36733
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-16402
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Sourceware
Affected software:
elfutils
elfutils
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact because it tries to decompress twice.
How to mitigate CVE-2018-16402
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
- https://access.redhat.com/errata/RHSA-2019:2197
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E
- https://sourceware.org/bugzilla/show_bug.cgi?id=23528
- https://usn.ubuntu.com/4012-1/