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
EPSS: 0.002 (5.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Aescrypt Aes_crypt — versions 3.11
- Paulej Aescrypt — versions = 3.11
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
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.