CVE-2020-25725
Xpdf Heap Use After Free Type 3 Font Vulnerability
Description
In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.
INFO
Published Date :
Nov. 21, 2020, 6:15 a.m.
Last Modified :
Dec. 13, 2023, 9:27 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2020-25725.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725 | Exploit Issue Tracking Third Party Advisory |
| https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915 | Exploit Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ | Mailing List 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-25725 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-25725 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]
Dec. 13, 2023
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ Mailing List, Third Party Advisory -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Removed CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H Added CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ [Mailing List, Third Party Advisory] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ [Mailing List, Third Party Advisory] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ [No Types Assigned] -
Modified Analysis by [email protected]
Jan. 04, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 11, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/ [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 03, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915 No Types Assigned https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915 Exploit, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:xpdfreader:xpdf:4.02:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-25725 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-2020-25725
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} -0.02%
score
0.36043
percentile