Divide By Zero Affecting elfutils package, versions <0.170-0.4ubuntu0.1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Availability
High
Threat Intelligence
EPSS
0.32% (71st
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1804-ELFUTILS-349162
- published 19 Oct 2018
- disclosed 19 Oct 2018
Introduced: 19 Oct 2018
CVE-2018-18521 Open this link in a new tabHow to fix?
Upgrade Ubuntu:18.04
elfutils
to version 0.170-0.4ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream elfutils
package and not the elfutils
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:18.04
relevant fixed versions and status.
Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-18521
- https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
- https://security-tracker.debian.org/tracker/CVE-2018-18521
- https://sourceware.org/bugzilla/show_bug.cgi?id=23786
- https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html
- https://access.redhat.com/errata/RHSA-2019:2197
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
- https://usn.ubuntu.com/4012-1/
- https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html