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Debian LTS: Security Advisory for libarchive (DLA-2987-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'libarchive' package(s) announced via the DLA-2987-1 advisory.
Insight
Insight
Three issues have been found in libarchive, a multi-format archive and compression library. CVE-2021-31566 symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting an archive CVE-2021-23177 extracting a symlink with ACLs modifies ACLs of target CVE-2019-19221 out-of-bounds read because of an incorrect mbrtowc or mbtowc call
Affected Software
Affected Software
'libarchive' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, these problems have been fixed in version 3.2.2-2+deb9u3. We recommend that you upgrade your libarchive packages.