Application crash via wrapped PE section bounds
Published Feb 15, 2023 · Updated Mar 19, 2025
Integer overflow in Hasherezade LibPeConv before commit 75b1565 allows attackers to crash an integrating application with a malformed PE file. The vulnerable validate_ptr and section-mapping checks add attacker-controlled offsets and sizes without detecting wraparound, allowing an out-of-bounds memcpy. Reachability requires a consuming application to pass the crafted PE to LibPeConv; the demonstrated consequence is a repeatable access-violation crash.
Summary
What happened
Integer overflow in Hasherezade LibPeConv before commit 75b1565 allows attackers to crash an integrating application with a malformed PE file. The vulnerable validate_ptr and section-mapping checks add attacker-controlled offsets and sizes without detecting wraparound, allowing an out-of-bounds memcpy. Reachability requires a consuming application to pass the crafted PE to LibPeConv; the demonstrated consequence is a repeatable access-violation crash.
The record
- CVE
- CVE-2023-23462
- Published
- Feb 15, 2023
- Updated
- Mar 19, 2025
- Vendor
- Hasherezade
- Product
- LibPeConv
- Classifications
- CWE-190, T1499
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 15, 2023CVE publishedPublication date reported by the CVE source.
- Mar 19, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=before commit b076013 (30/11/2022). <Update to the latest version
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- LibPeConv malformed PE crash corpusproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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