CVE-2023-31102
What it is
Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 54.0% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 54.0% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 54.0% · EPSS, next 30 days
- Weakness
- CWE-191
- Record status
- Modified
Affected
- 7-zip < 22.01
- Netapp Active Iq Unified Manager
- Netapp Oncommand Workflow Automation
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-31102.md and follow it. Check whether this project is affected by CVE-2023-31102. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- https://ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/
- https://security.netapp.com/advisory/ntap-20231110-0007/
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/
- https://www.7-zip.org/download.html
- https://www.zerodayinitiative.com/advisories/ZDI-23-1165/
- https://ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/
- https://security.netapp.com/advisory/ntap-20231110-0007/
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/
- https://www.7-zip.org/download.html
- https://www.zerodayinitiative.com/advisories/ZDI-23-1165/