SB2022122902 - Denial of service in Cap'n Proto
Published: December 29, 2022
Security Bulletin ID
SB2022122902
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2022-46149)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the list-of-list logic. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/capnproto/capnproto/commit/25d34c67863fd960af34fc4f82a7ca3362ee74b9
- https://github.com/capnproto/capnproto/security/advisories/GHSA-qqff-4vw4-f6hx
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKXM4JAFXLTXU5IQB3OUBQVCIICZWGYX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZOCQQOPMVQOFUWBWAGVGN76OYAV3WXY4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAHKLUMJAXJEV5BPBS5XXWBQ3ZTHGOLY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTS6TWD6K2NKXLEEFBPROQXMOFUTEYWY/