| Description: | Summary:
The remote host is missing an update for the Debian 'vim' package(s) announced via the DLA-2876-1 advisory.
Vulnerability Insight:
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 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: [link moved to references]
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references]
Affected Software/OS:
'vim' package(s) on Debian 9.
Solution:
Please install the updated package(s).
CVSS Score:
6.8
CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
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