Vulnerability in vim - Integer Overflow in Undo File Parsing
Summary
DLA-850-1: vim - security update. Affects vim versions < 2:7.3.547-7+deb7u3. Fixed in 2:7.3.547-7+deb7u3. How to fix ↓
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Background
Vim is a highly configurable text editor built to enable efficient text editing. It is widely used by developers and system administrators for various tasks. The vulnerability in question affects versions of vim prior to patch 8.0.0377 (CVE-2017-6349) and patch 8.0.0378 (CVE-2017-6350) on Debian 7 Wheezy.
Vulnerability Detail
The vulnerability arises from an integer overflow during the parsing of undo files in vim. If the tree length values are not properly validated when reading a corrupted undo file, an integer overflow can occur, leading to potential buffer overflows. This vulnerability can be exploited by an attacker to execute arbitrary code or cause a denial of service.
How To Fix
Minimum fixed version
2:7.3.547-7+deb7u3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade vimTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in vim, caused by an integer overflow in undo file parsing, can have serious security implications. It is crucial to update the vim package to the recommended version or later to mitigate the risk. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for vim →
FAQ
Vim is a popular text editor known for its extensive customization options and powerful editing capabilities.
Versions of vim prior to patch 8.0.0377 (CVE-2017-6349) and patch 8.0.0378 (CVE-2017-6350) on Debian 7 Wheezy are affected.
The vulnerability can lead to buffer overflows, which can be exploited by attackers to execute arbitrary code or cause a denial of service.
To fix this vulnerability, upgrade the vim package to version 2:7.3.547-7+deb7u3 or later.
No specific workaround has been mentioned for this vulnerability.
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