9.8
CRITICAL
CVE-2022-47629
Libksba Integer Overflow in CRL Signature Parser
Description

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.

INFO

Published Date :

Dec. 20, 2022, 11:15 p.m.

Last Modified :

Nov. 21, 2024, 7:32 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2022-47629 has a 1 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-2022-47629 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.

ID Vendor Product Action
1 Debian debian_linux
1 Gnupg libksba

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).

None

Python Dockerfile C

Updated: 2 weeks, 4 days ago
152 stars 37 fork 37 watcher
Born at : Feb. 5, 2016, 5:24 a.m. This repo has been linked 11 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-47629 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-47629 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://dev.gnupg.org/T6284
    Added Reference https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=f61a5ea4e0f6a80fd4b28ef0174bee77793cf070
    Added Reference https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html
    Added Reference https://security.gentoo.org/glsa/202212-07
    Added Reference https://security.netapp.com/advisory/ntap-20230316-0011/
    Added Reference https://www.debian.org/security/2022/dsa-5305
  • 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.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=f61a5ea4e0f6a80fd4b28ef0174bee77793cf070 [No types assigned]
    Removed Reference MITRE https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=f61a5ea4e0f6a80fd4b28ef0174bee77793cf070
  • CPE Deprecation Remap by [email protected]

    May. 18, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:libksba_project:libksba:*:*:*:*:*:*:*:* versions from (excluding) 1.6.3 OR *cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:* versions from (excluding) 1.6.3
  • CVE Modified by [email protected]

    Mar. 16, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20230316-0011/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 03, 2023

    Action Type Old Value New Value
    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://dev.gnupg.org/T6284 No Types Assigned https://dev.gnupg.org/T6284 Patch, Third Party Advisory
    Changed Reference Type https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=f61a5ea4e0f6a80fd4b28ef0174bee77793cf070 No Types Assigned https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=f61a5ea4e0f6a80fd4b28ef0174bee77793cf070 Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202212-07 No Types Assigned https://security.gentoo.org/glsa/202212-07 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2022/dsa-5305 No Types Assigned https://www.debian.org/security/2022/dsa-5305 Third Party Advisory
    Added CWE NIST CWE-190
    Added CPE Configuration OR *cpe:2.3:a:libksba_project:libksba:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.3
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 28, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202212-07 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 24, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 22, 2022

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2022/dsa-5305 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-47629 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-2022-47629 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.30 }} -0.04%

score

0.68922

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability