Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2019-18601

Deserialization of Untrusted Data

Published: Oct 29, 2019 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-18601
CWEhttps://cwe.mitre.org/data/definitions/502.html

OpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data access because remote attackers can make a series of VOTE_Debug RPC calls to crash a database server within the SVOTE_Debug RPC handler.

Weakness

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Software

Name Vendor Start Version End Version
Openafs Openafs * 1.6.24 (excluding)
Openafs Openafs 1.8.0 (including) 1.8.5 (excluding)
Openafs Ubuntu bionic *
Openafs Ubuntu disco *
Openafs Ubuntu eoan *
Openafs Ubuntu esm-apps/bionic *
Openafs Ubuntu esm-apps/focal *
Openafs Ubuntu esm-apps/jammy *
Openafs Ubuntu esm-apps/xenial *
Openafs Ubuntu focal *
Openafs Ubuntu groovy *
Openafs Ubuntu hirsute *
Openafs Ubuntu impish *
Openafs Ubuntu jammy *
Openafs Ubuntu kinetic *
Openafs Ubuntu trusty *
Openafs Ubuntu upstream *
Openafs Ubuntu xenial *

Potential Mitigations

  • Make fields transient to protect them from deserialization.
  • An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.

References

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