CVE-2018-18521
Elfutils Arlib Divide-by-Zero Denial of Service Vulnerability
Description
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.
INFO
Published Date :
Oct. 19, 2018, 5:29 p.m.
Last Modified :
Nov. 30, 2021, 9:59 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2018-18521 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2018-18521
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-18521.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html | Mailing List Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:2197 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html | Mailing List Third Party Advisory |
| https://sourceware.org/bugzilla/show_bug.cgi?id=23786 | Exploit Issue Tracking Third Party Advisory |
| https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html | Mailing List Patch Third Party Advisory |
| https://usn.ubuntu.com/4012-1/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
Python
KubeTrivyExporter is Prometheus Exporter that collects all vulnerabilities detected by aquasecurity/trivy in the kubernetes cluster.
kubernetes prometheus-exporter
Dockerfile Go Makefile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-18521 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-18521 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 30, 2021
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html Mailing List, Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2019:2197 No Types Assigned https://access.redhat.com/errata/RHSA-2019:2197 Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html Mailing List, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4012-1/ No Types Assigned https://usn.ubuntu.com/4012-1/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 17, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 10, 2021
Action Type Old Value New Value Removed Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 31, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 06, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:2197 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 20, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4012-1/ [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 28, 2019
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 26, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 09, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html No Types Assigned https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html Mailing List, Patch, Third Party Advisory Changed Reference Type https://sourceware.org/bugzilla/show_bug.cgi?id=23786 No Types Assigned https://sourceware.org/bugzilla/show_bug.cgi?id=23786 Exploit, Issue Tracking, Third Party Advisory Added CWE CWE-369 Added CPE Configuration OR *cpe:2.3:a:elfutils_project:elfutils:0.174:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-18521 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-18521
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.46 }} 0.07%
score
0.75566
percentile