Vulnerabilities > CVE-2021-29922 - Unspecified vulnerability in Rust-Lang Rust
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
HIGH Availability impact
HIGH Summary
library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation.
Vulnerable Configurations
Related news
References
- https://defcon.org/html/defcon-29/dc-29-speakers.html#kaoudis
- https://defcon.org/html/defcon-29/dc-29-speakers.html#kaoudis
- https://doc.rust-lang.org/beta/std/net/struct.Ipv4Addr.html
- https://doc.rust-lang.org/beta/std/net/struct.Ipv4Addr.html
- https://github.com/rust-lang/rust/issues/83648
- https://github.com/rust-lang/rust/issues/83648
- https://github.com/rust-lang/rust/pull/83652
- https://github.com/rust-lang/rust/pull/83652
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-015.md
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-015.md
- https://security.gentoo.org/glsa/202210-09
- https://security.gentoo.org/glsa/202210-09