Heap-based Buffer Overflow Affecting vim-minimal package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-CENTOS6-VIMMINIMAL-7884071
  • published3 Sept 2024
  • disclosed2 Sept 2024

Introduced: 2 Sep 2024

CVE-2024-45306  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 vim-minimal.

NVD Description

Note: Versions mentioned in the description apply only to the upstream vim-minimal package and not the vim-minimal package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

Vim is an open source, command line text editor. Patch v9.1.0038 optimized how the cursor position is calculated and removed a loop, that verified that the cursor position always points inside a line and does not become invalid by pointing beyond the end of a line. Back then we assumed this loop is unnecessary. However, this change made it possible that the cursor position stays invalid and points beyond the end of a line, which would eventually cause a heap-buffer-overflow when trying to access the line pointer at the specified cursor position. It's not quite clear yet, what can lead to this situation that the cursor points to an invalid position. That's why patch v9.1.0707 does not include a test case. The only observed impact has been a program crash. This issue has been addressed in with the patch v9.1.0707. All users are advised to upgrade.

CVSS Scores

version 3.1