7.5

CVE-2024-26134

Exploit

CBOR2 decoder has potential buffer overflow

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Agronholm ≫ Cbor2 SwPlatformpython Version >= 5.5.1 < 5.6.2
Fedoraproject ≫ Fedora Version38
Fedoraproject ≫ Fedora Version39
Fedoraproject ≫ Fedora Version40
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.17% 0.632
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
security-advisories@github.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

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
Vendor Advisory
Exploit
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/
Mailing List