Vim buffer overflow | CVE-2022-2182
NAME
Vim buffer overflow
- Platforms Affected:
Vim Vim 8.2.5150 - 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 utf_ptr2char function in mbyte.c:1794. By opening a specially-crafted file, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
CVSS 3.0 Information
- Privileges Required: Low
- User Interaction: None
- 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/238d8650-3beb-4831-a8f7-6f0b597a6fb8/ - Reference Link:
https://github.com/vim/vim/commit/f7c7c3fad6d2135d558f3b36d0d1a943118aeb5e
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