- Reported
-
- Issued
-
- Package
-
openssl-src
(crates.io)
- Type
-
Vulnerability
- Categories
-
- Aliases
-
- References
-
- CVSS Score
- 7.5
HIGH
- CVSS Details
-
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Patched
-
- Unaffected
-
Description
Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3
handshake may crash due to a NULL pointer dereference as a result of incorrect handling of the
"signature_algorithms_cert" TLS extension. The crash occurs if an invalid or unrecognised signature
algorithm is received from the peer. This could be exploited by a malicious peer in a Denial of
Service attack.
Advisory available under CC0-1.0
license.