Out-of-bounds read in Cap'n Proto and capnproto-rust

Vulnerability identifier: #VU70537

Vulnerability risk: Medium

CVSSv4.0: 2.7 [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: Network

Exploit availability: No

Vulnerable software:
Cap'n Proto
Universal components / Libraries / Programming Languages & Components
capnproto-rust
Universal components / Libraries / Programming Languages & Components

Vendor: 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cap'n Proto: 0.7.0, 0.8.0, 0.9.0 - 0.9.1, 0.10.0 - 0.10.2

capnproto-rust: 0.13.0 - 0.13.6, 0.14.0 - 0.14.10, 0.15.0 - 0.15.1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

#VU70537 Out-of-bounds read in Cap'n Proto and capnproto-rust - CVE-2022-46149

Q & A

Latest bulletins with this vulnerability