7.5
HIGH
CVE-2024-26134
cbor2 Denial of Service (DoS) Vulnerability
Description

cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.

INFO

Published Date :

Feb. 19, 2024, 11:15 p.m.

Last Modified :

Jan. 2, 2025, 2:18 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2024-26134 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 Fedoraproject fedora
1 Agronholm cbor2
: Total Affected Vendor : 2 | Products : 2
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-2024-26134.

URL Resource
https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 Product
https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df Patch
https://github.com/agronholm/cbor2/pull/204 Issue Tracking
https://github.com/agronholm/cbor2/releases/tag/5.6.2 Release Notes
https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m Exploit Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ Mailing List
https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 Product
https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df Patch
https://github.com/agronholm/cbor2/pull/204 Issue Tracking
https://github.com/agronholm/cbor2/releases/tag/5.6.2 Release Notes
https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m Exploit Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ Mailing List

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-2024-26134 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-26134 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.

  • Initial Analysis by [email protected]

    Jan. 02, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:a:agronholm:cbor2:*:*:*:*:*:python:*:* versions from (including) 5.5.1 up to (excluding) 5.6.2
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
    Changed Reference Type https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 No Types Assigned https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 Product
    Changed Reference Type https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 No Types Assigned https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 Product
    Changed Reference Type https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df No Types Assigned https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df Patch
    Changed Reference Type https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df No Types Assigned https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df Patch
    Changed Reference Type https://github.com/agronholm/cbor2/pull/204 No Types Assigned https://github.com/agronholm/cbor2/pull/204 Issue Tracking
    Changed Reference Type https://github.com/agronholm/cbor2/pull/204 No Types Assigned https://github.com/agronholm/cbor2/pull/204 Issue Tracking
    Changed Reference Type https://github.com/agronholm/cbor2/releases/tag/5.6.2 No Types Assigned https://github.com/agronholm/cbor2/releases/tag/5.6.2 Release Notes
    Changed Reference Type https://github.com/agronholm/cbor2/releases/tag/5.6.2 No Types Assigned https://github.com/agronholm/cbor2/releases/tag/5.6.2 Release Notes
    Changed Reference Type https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m No Types Assigned https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m Exploit, Vendor Advisory
    Changed Reference Type https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m No Types Assigned https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m Exploit, Vendor Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ Mailing List
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542
    Added Reference https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df
    Added Reference https://github.com/agronholm/cbor2/pull/204
    Added Reference https://github.com/agronholm/cbor2/releases/tag/5.6.2
    Added Reference https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 19, 2024

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ [No types assigned]
  • CVE Modified by [email protected]

    Apr. 17, 2024

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ [No types assigned]
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ [No types assigned]
  • CVE Received by [email protected]

    Feb. 19, 2024

    Action Type Old Value New Value
    Added Description cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.
    Added Reference GitHub, Inc. https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m [No types assigned]
    Added Reference GitHub, Inc. https://github.com/agronholm/cbor2/pull/204 [No types assigned]
    Added Reference GitHub, Inc. https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 [No types assigned]
    Added Reference GitHub, Inc. https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df [No types assigned]
    Added Reference GitHub, Inc. https://github.com/agronholm/cbor2/releases/tag/5.6.2 [No types assigned]
    Added CWE GitHub, Inc. CWE-120
    Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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-2024-26134 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-2024-26134 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: