CVE-2018-20623
GNU Binutils Use-After-Free Vulnerability
Description
In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.
INFO
Published Date :
Dec. 31, 2018, 7:29 p.m.
Last Modified :
Oct. 31, 2019, 1:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2018-20623 has a 5 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2018-20623.
| URL | Resource |
|---|---|
| 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/106370 | Third Party Advisory VDB Entry |
| https://sourceware.org/bugzilla/show_bug.cgi?id=24049 | Exploit Issue Tracking Third Party Advisory |
| https://support.f5.com/csp/article/K38336243 | Third Party Advisory |
| https://usn.ubuntu.com/4336-1/ |
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).
[ICSE2020] UAFL DataSet
fuzzing
Makefile Roff Shell C++ GDB Perl XS M4 HTML CSS
UAFuzz: Binary-level Directed Fuzzing for Use-After-Free Vulnerabilities
fuzzing
Makefile Shell M4 HTML TeX CMake C C++ OCaml Awk
UAF Fuzzing Benchmark
Shell Makefile C XSLT Roff CSS Perl M4 Objective-C DIGITAL Command Language
Test container known to be vulnerable. Do NOT use this apart from for testing
Dockerfile
Use-after-free testsuite used for fuzzing experiment
Makefile Roff Shell C++ GDB Perl XS M4 HTML CSS
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-20623 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20623 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 -
CVE Modified by [email protected]
Apr. 29, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4336-1/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 05, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 31, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 28, 2019
Action Type Old Value New Value Changed Reference Type https://support.f5.com/csp/article/K38336243 No Types Assigned https://support.f5.com/csp/article/K38336243 Third Party Advisory -
CVE Modified by [email protected]
Mar. 26, 2019
Action Type Old Value New Value Added Reference https://support.f5.com/csp/article/K38336243 [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 10, 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 http://www.securityfocus.com/bid/106370 No Types Assigned http://www.securityfocus.com/bid/106370 Third Party Advisory, VDB Entry Changed Reference Type https://sourceware.org/bugzilla/show_bug.cgi?id=24049 No Types Assigned https://sourceware.org/bugzilla/show_bug.cgi?id=24049 Exploit, Issue Tracking, Third Party Advisory Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 01, 2019
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/106370 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20623 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-2018-20623
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.00%
score
0.50325
percentile