Vulnerability · NVD

CVE-2024-11477

CVE-2024-11477, high severity (CVSS 7.8): 1 tracked app concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 7.8
Exploitation: 22.4 %
Tracked apps: 1
Still exposed: 0

Published on 2024-11-22

7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the implementation of Zstandard decompression. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24346.

Attack vector : Local No privileges required

Show raw CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS 22.39% moderate exploit risk percentile 97.7%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

7-Zip Windows winget:7zip.7zip

Affected <24.07 Fixed in 24.07 Latest tracked 26.05 patched

Observed affected builds (13)

24.06 24.05 23.01 22.01 22.00 21.07 21.06 19.00 19.00.00.0 18.06 18.05 18.01 16.04

Vulnerable CPE configurations (1)

Vendor	Product	Platform	Versions	CPE 2.3 URI
7-zip	7-zip All platforms (wildcard)	All platforms (wildcard)	<24.07	cpe:2.3:a:7-zip:7-zip::::::::

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