CVE-2020-28951
OpenWrt libuci Use After Free Vulnerability
Description
libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.
INFO
Published Date :
Nov. 19, 2020, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:21 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2020-28951.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-28951 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-28951 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]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://git.openwrt.org/?p=project/uci.git%3Ba=commit%3Bh=a3e650911f5e6f67dcff09974df3775dfd615da6 [No types assigned] Added Reference MITRE https://git.openwrt.org/?p=openwrt/openwrt.git%3Ba=commit%3Bh=5625f5bc36954d644cb80adf8de47854c65d91c3 [No types assigned] Added Reference MITRE https://git.openwrt.org/?p=openwrt/openwrt.git%3Ba=log%3Bh=refs/tags/v18.06.9 [No types assigned] Removed Reference MITRE https://git.openwrt.org/?p=project/uci.git;a=commit;h=a3e650911f5e6f67dcff09974df3775dfd615da6 Removed Reference MITRE https://git.openwrt.org/?p=openwrt/openwrt.git;a=log;h=refs/tags/v18.06.9 Removed Reference MITRE https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=5625f5bc36954d644cb80adf8de47854c65d91c3 -
CPE Deprecation Remap by [email protected]
May. 24, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:openwrt:openwrt:*:*:*:*:*:*:*:* versions from (including) 19.07.0 from (excluding) 19.07.5 OR *cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:* versions from (including) 19.07.0 from (excluding) 19.07.5 -
CPE Deprecation Remap by [email protected]
May. 24, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:openwrt:openwrt:*:*:*:*:*:*:*:* versions from (excluding) 18.06.9 OR *cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:* versions from (excluding) 18.06.9 -
Initial Analysis by [email protected]
Dec. 02, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=5625f5bc36954d644cb80adf8de47854c65d91c3 No Types Assigned https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=5625f5bc36954d644cb80adf8de47854c65d91c3 Patch, Vendor Advisory Changed Reference Type https://git.openwrt.org/?p=openwrt/openwrt.git;a=log;h=refs/tags/v18.06.9 No Types Assigned https://git.openwrt.org/?p=openwrt/openwrt.git;a=log;h=refs/tags/v18.06.9 Patch, Vendor Advisory Changed Reference Type https://git.openwrt.org/?p=project/uci.git;a=commit;h=a3e650911f5e6f67dcff09974df3775dfd615da6 No Types Assigned https://git.openwrt.org/?p=project/uci.git;a=commit;h=a3e650911f5e6f67dcff09974df3775dfd615da6 Patch, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:openwrt:openwrt:*:*:*:*:*:*:*:* versions up to (excluding) 18.06.9 *cpe:2.3:a:openwrt:openwrt:*:*:*:*:*:*:*:* versions from (including) 19.07.0 up to (excluding) 19.07.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-28951 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-2020-28951
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.42 }} 0.12%
score
0.74424
percentile