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CVE-2024-11477

HIGH
Published 2024-11-22T20:22:33.278Z
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CVSS Score

V3.0
7.8
/10
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.321
probability
of exploitation in the wild

There is a 32.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.966
Higher than 96.6% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

7-Zip

7-Zip

Affected Versions:

24.06
7-zip

7zip

Affected Versions:

24.06

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-882h-ff2x-f86q

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-11477
WEB https://security.netapp.com/advisory/ntap-20250214-0007
WEB https://www.zerodayinitiative.com/advisories/ZDI-24-1532

Advisory provided by GitHub Security Advisory Database. Published: November 22, 2024, Modified: February 15, 2025

References

https://www.zerodayinitiative.com/advisories/ZDI-24-1532/
Published: 2024-11-22T20:22:33.278Z
Last Modified: 2025-02-15T00:10:31.081Z
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