Buffer overflow in Aescrypt Aes Crypt
CVE-2022-35928
AES Crypt is a file encryption software for multiple platforms. AES Crypt for Linux built using the source on GitHub and having the version number 3.11 has a vulnerability with respect to reading user-provided passwords and confirmations via command-line prompts. Passwords lengths were not checked before being read. This vulnerability may lead to buffer overruns. This does _not_ affect source code found on aescrypt.com, nor is the vulnerability present when providing a password or a key via the `-p` or `-k` command-line options. The problem was fixed via in commit 68761851b and will be included in release 3.16. Users are advised to upgrade. Users unable to upgrade should us the `-p` or `-k` options to provide a password or key.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Aescrypt Aes Crypt — versions 3.11
- Paulej Aescrypt — versions = 3.11
Weakness classification (CWE)
References
- github.com/paulej/AESCrypt/security/advisories/GHSA-r7fv-72pg-fwrq (Patch, Third Party Advisory)
- github.com/paulej/AESCrypt/commit/68761851b595e96c68c3f46bfc21167e72c6a22c (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-35928?
- CVE-2022-35928 is a high-severity vulnerability in Aescrypt Aes Crypt, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2022-08-03.
- How severe is CVE-2022-35928?
- High severity. CVSS v3 base score is 8.4 out of 10.