libexpat integer overflow | CVE-2022-25315
NAME
libexpat integer overflow
- Platforms Affected:
libexpat libexpat 2.2.0
libexpat libexpat 2.2.6
libexpat libexpat 2.2.5
libexpat libexpat 2.2.4
libexpat libexpat 2.2.3
libexpat libexpat 2.2.2
libexpat libexpat 2.2.1
libexpat libexpat 2.2.7
libexpat libexpat 2.4.3
libexpat libexpat 2.4.4 - Risk Level:
7.8 - Exploitability:
Proof of Concept - Consequences:
Gain Access
DESCRIPTION
libexpat could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in storeRawNames. By persuading a victim to open a specially-crafted file, an attacker could overflow a buffer and execute arbitrary code on the system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Access Vector: Local
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Unavailable
MITIGATION
No remedy available as of February 18, 2022.
- Reference Link:
https://github.com/libexpat/libexpat/pull/559 - Reference Link:
https://libexpat.github.io/
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