ZDI-24-1532: 7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability
First published: Wed Nov 20 2024(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ZTE ZXR10 9908 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-24-1532?
ZDI-24-1532 has a high severity rating due to the potential for remote code execution.
How do I fix ZDI-24-1532?
To fix ZDI-24-1532, update to the latest version of 7-Zip that patches this vulnerability.
What impact does ZDI-24-1532 have on my system?
The impact of ZDI-24-1532 allows attackers to execute arbitrary code on affected installations of 7-Zip.
What versions of 7-Zip are affected by ZDI-24-1532?
ZDI-24-1532 affects multiple versions of 7-Zip prior to the remedial update.
Is user interaction required to exploit ZDI-24-1532?
Yes, interaction with the vulnerable 7-Zip implementation is required to successfully exploit ZDI-24-1532.
- collector/zdi-published
- source/ZDI
- alias/ZDI-CAN-24346
- agent/title
- agent/last-modified-date
- agent/type
- agent/first-publish-date
- agent/references
- agent/severity
- agent/description
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- collector/zdi-advisory
- alias/ZDI-24-1532
- alias/CVE-2024-11477
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/event
- vendor/7-zip
- canonical/zte zxr10 9908