CVE-2020-14315
Bspatch Buffer Overflow Vulnerability
Description
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
INFO
Published Date :
Sept. 16, 2020, 2:15 p.m.
Last Modified :
Jan. 1, 2022, 6:38 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2020-14315 has a 2 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-2020-14315.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1856747 | Issue Tracking Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2020/07/09/2 | Mailing List Third Party Advisory |
| https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ | Exploit 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).
Binary diff/patch utility
Makefile Roff C
Portable binary diff/patch library based on the binary diff/patch utilities bsdiff/bspatch
Makefile C
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-14315 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-14315 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]
Jan. 01, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Dec. 04, 2020
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-119 Added CWE Red Hat, Inc. CWE-787 Removed CWE Reason CWE-119 / More specific CWE option available -
Initial Analysis by [email protected]
Sep. 22, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) 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://bugzilla.redhat.com/show_bug.cgi?id=1856747 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1856747 Issue Tracking, Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2020/07/09/2 No Types Assigned https://www.openwall.com/lists/oss-security/2020/07/09/2 Mailing List, Third Party Advisory Changed Reference Type https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ No Types Assigned https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ Exploit, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:daemonology:bsdiff:4.3:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-14315 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-2020-14315
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.33 }} 0.06%
score
0.67865
percentile