#VU70537 Out-of-bounds read in Cap'n Proto and capnproto-rust - CVE-2022-46149
Published: December 29, 2022
Vulnerability identifier: #VU70537
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-46149
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cap'n Proto
capnproto-rust
Cap'n Proto
capnproto-rust
Software vendor:
capnproto
capnproto
Description
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 updates from vendor's website.
External links
- 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/