AES Crypt up to 3.11 on Linux buffer overflow

Summaryinfo

A vulnerability was found in AES Crypt up to 3.11 on Linux. It has been declared as critical. Affected by this vulnerability is an unknown functionality. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2022-35928. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in AES Crypt up to 3.11 on Linux. It has been rated as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented 08/04/2022 as GHSA-r7fv-72pg-fwrq. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-35928 since 07/15/2022. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.16 eliminates this vulnerability. Applying the patch 68761851b595e96c68c3f46bfc21167e72c6a22c is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• AES Crypt

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11

License

• open-source

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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