Executive brief
The `*_from_pem_callback` APIs did not validate the length returned by the user's callback. A password callback that returns a value larger than the buffer it was given can cause some versions of OpenSSL to over-read this buffer. OpenSSL 3.x is not affected by this.
Affected products
- crates.io openssl
References
- https://github.com/rust-openssl/rust-openssl/security/advisories/GHSA-xmgf-hq76-4vx2
- https://github.com/rust-openssl/rust-openssl/pull/2605
- https://github.com/rust-openssl/rust-openssl/commit/5af6895c907773699f37f583f409b862284062b1
- https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78
- https://api.github.com/repos/rust-openssl/rust-openssl/security-advisories/GHSA-xmgf-hq76-4vx2