Vim buffer overflow | CVE-2022-2849
NAME
Vim buffer overflow
- Platforms Affected:
Vim Vim 9.0.0218 - Risk Level:
7.8 - Exploitability:
Proof of Concept - Consequences:
Gain Access
DESCRIPTION
Vim is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the latin_ptr2len function in vim/src/mbyte.c:1088. By persuading a victim to open a specially-crafted file, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
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: Official Fix
MITIGATION
Refer to the Vim GIT Repository for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://huntr.dev/bounties/389aeccd-deb9-49ae-9b6a-24c12d79b02e/ - Reference Link:
https://github.com/vim/vim/commit/f6d39c31d2177549a986d170e192d8351bd571e2
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