Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2022-48566
Medium 5.9
In plain English
A medium-severity security flaw in the pypy3 package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.9Medium
Exploit odds (30 days)1.3%top 29.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | pypy3 | 7.3.5+dfsg-2 | DEBIAN-CVE-2022-48566 |
| Debian:13 | pypy3 | 7.3.5+dfsg-2 | DEBIAN-CVE-2022-48566 |
| Debian:14 | pypy3 | 7.3.5+dfsg-2 | DEBIAN-CVE-2022-48566 |
| Ubuntu:22.04:LTS | python2.7 | 2.7.18-13ubuntu1.5 | USN-7180-1 |
| Ubuntu:22.04:LTS | python2.7 | 2.7.18-13ubuntu1.5 | UBUNTU-CVE-2022-48566 |
| Ubuntu:22.04:LTS | python3.10 | 3.10.12-1~22.04.4 | USN-6891-1 |