| Name | CVE-2021-45450 |
| Description | In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mbedtls (PTS) | buster | 2.16.0-1 | fixed |
| buster (security) | 2.16.9-0~deb10u1 | fixed |
| bullseye | 2.16.9-0.1 | fixed |
| bookworm | 2.28.3-1 | fixed |
| sid, trixie | 2.28.8-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| mbedtls | source | (unstable) | (not affected) | | | |
Notes
- mbedtls <not-affected> (Vulnerable code introduced later)
https://github.com/ARMmbed/mbedtls/commit/c423acbe0f7957d8ef1e6036c2429c9f79c6f05e (mbedtls-2.28.0)
https://github.com/ARMmbed/mbedtls/commit/4c224fe3ccbe527a2b7d55a927f1f09511ff1b83 (mbedtls-2.28.0)