RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability
CVE-2023-40477 is fixed in 8 products on 2 platforms, first by WinRAR 6.23.0, released August 2, 2023. It is not reported as exploited. Patch Radar priority: High.
RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of RARLAB WinRAR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of recovery volumes. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21233.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| WinRAR | 6.23.0 | WinRAR 6.23.0 | Aug 2, 2023 |
| Linux | |||
| libclamunrar · Debian 12.15 (bookworm) | 1.0.3-1~deb12u1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| libclamunrar · Debian 13.5 (trixie) | 1.0.3-1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| libclamunrar · Debian 14 | 1.0.3-1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| libclamunrar · Ubuntu 22.04.1 LTS (jammy) | 0.103.11-0ubuntu0.22.04.1 | libclamunrar 0.103.11-0ubuntu0.22.04.1 | Aug 24, 2023 |
| libclamunrar9 · Ubuntu 20.04 LTS (focal) | 0.103.11-0ubuntu0.20.04.1 | libclamunrar9 0.103.11-0ubuntu0.20.04.1 | Aug 24, 2023 |
| libclamunrar9 · Ubuntu 22.04.1 LTS (jammy) | 0.103.11-0ubuntu0.22.04.1 | libclamunrar9 0.103.11-0ubuntu0.22.04.1 | Aug 24, 2023 |
| libunrar-headers · Ubuntu 22.04.1 LTS (jammy) | 1:6.1.5-1ubuntu0.1 | libunrar-headers 1:6.1.5-1ubuntu0.1 | Apr 28, 2024 |
| libunrar5 · Ubuntu 20.04 LTS (focal) | 1:5.6.6-2ubuntu0.1 | libunrar5 1:5.6.6-2ubuntu0.1 | Apr 28, 2024 |
| libunrar5 · Ubuntu 22.04.1 LTS (jammy) | 1:6.1.5-1ubuntu0.1 | libunrar5 1:6.1.5-1ubuntu0.1 | Apr 28, 2024 |
| rar · Debian 12.15 (bookworm) | 2:6.23-1~deb12u1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| rar · Debian 13.5 (trixie) | 2:6.23-1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| rar · Debian 14 | 2:6.23-1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| rar · Ubuntu 20.04 LTS (focal) | 2:6.23-1~20.04.1 | rar 2:6.23-1~20.04.1 | Aug 24, 2023 |
| rar · Ubuntu 22.04.1 LTS (jammy) | 2:6.23-1~22.04.1 | rar 2:6.23-1~22.04.1 | Aug 24, 2023 |
| rar · Ubuntu 24.04.5 LTS (noble) | 2:6.23-1 | rar 2:6.23-1 | Aug 24, 2023 |
| rar · Ubuntu 24.10 (oracular) | 2:6.23-1 | rar 2:6.23-1 | Aug 25, 2023 |
| rar · Ubuntu 25.04 (plucky) | 2:6.23-1 | rar 2:6.23-1 | Aug 25, 2023 |
| unrar · Ubuntu 20.04 LTS (focal) | 1:5.6.6-2ubuntu0.1 | unrar 1:5.6.6-2ubuntu0.1 | Apr 28, 2024 |
| unrar · Ubuntu 22.04.1 LTS (jammy) | 1:6.1.5-1ubuntu0.1 | unrar 1:6.1.5-1ubuntu0.1 | Apr 28, 2024 |
| unrar-nonfree · Debian 12.15 (bookworm) | 1:6.2.6-1+deb12u1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| unrar-nonfree · Debian 13.5 (trixie) | 1:6.2.10-1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
| unrar-nonfree · Debian 14 | 1:6.2.10-1 | DEBIAN-CVE-2023-40477 | May 3, 2024 |
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