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Debian: DLA-2877-1 Critical: Nginx Denial of Service and Data Disclosure

debian lts
Calendar Grey January 10, 2022
Dist Debian Esm H88
Several vulnerabilities identified within vim may result in the inadvertent exposure of sensitive data and could also introduce risks of unauthorized code execution.
Multiple issues have been discovered in vim: an enhanced vi text editor: CVE-2017-17087 fileio.c in Vim sets the group ownership of a .swp file to the editor's primary
Topics%20covered

Topics Covered

security advisory information leak code execution Debian text editor

Summary

CVE-2017-17087
fileio.c in Vim sets the group ownership of a .swp file to the editor's primary
group (which may be different from the group ownership of the original file),
which allows local users to obtain sensitive information by leveraging an
applicable group membership.

CVE-2019-20807
Users can circumvent the rvim restricted mode and execute arbitrary OS
commands via scripting interfaces (e.g., Python, Ruby, or Lua).

CVE-2021-3778
Heap-based Buffer Overflow with invalid utf-8 character was detected in
regexp_nfa.c.

CVE-2021-3796
Heap Use-After-Free memory error was detected in normal.c. A successful
exploitation may lead to code execution.

For Debian 9 stretch, these problems have been fixed in version
2:8.0.0197-4+deb9u4.

We recommend that you upgrade your vim packages.

For the detailed security status of vim please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/vim

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Package: vim
Version: 2:8.0.0197-4+deb9u4
CVE ID: CVE-2017-17087 CVE-2019-20807 CVE-2021-3778 CVE-2021-3796

Topics%20covered

Topics Covered

security advisory information leak code execution Debian text editor

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