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Ubuntu: USN-6678-1 (CVE-2024-24577): libgit2 vulnerabilities

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Ubuntu: USN-6678-1 (CVE-2024-24577): libgit2 vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/06/2024
Created
03/07/2024
Added
03/06/2024
Modified
11/15/2024

Description

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Using well-crafted inputs to `git_index_add` can cause heap corruption that could be leveraged for arbitrary code execution. There is an issue in the `has_dir_name` function in `src/libgit2/index.c`, which frees an entry that should not be freed. The freed entry is later used and overwritten with potentially bad actor-controlled data leading to controlled heap corruption. Depending on the application that uses libgit2, this could lead to arbitrary code execution. This issue has been patched in version 1.6.5 and 1.7.2.

Solution(s)

  • ubuntu-pro-upgrade-libgit2-1-1
  • ubuntu-pro-upgrade-libgit2-1-5
  • ubuntu-pro-upgrade-libgit2-24
  • ubuntu-pro-upgrade-libgit2-26
  • ubuntu-pro-upgrade-libgit2-28

References

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