CVE-2007-3645: Null Pointer Dereference
archivereadsupportformattar.c in libarchive before 2.2.4 allows user-assisted remote attackers to cause a denial of service (crash) via (1) an end-of-file condition within a tar header that follows a pax extension header or (2) a malformed pax extension header in an (a) PAX or a (b) TAR archive, which results in a NULL pointer dereference, a different issue than CVE-2007-3644.
Affected Software
Remediation
Patch Available
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2007-3645?
CVE-2007-3645 has been classified as a denial of service vulnerability that can cause a crash.
What software is affected by CVE-2007-3645?
CVE-2007-3645 affects versions of libarchive prior to 2.2.4 on FreeBSD.
How can CVE-2007-3645 be exploited?
CVE-2007-3645 can be exploited by remote attackers through specially crafted PAX or TAR archives.
How do I fix CVE-2007-3645?
To fix CVE-2007-3645, upgrade your libarchive to version 2.2.4 or later.
Is there a workaround for CVE-2007-3645?
Currently, there are no documented workarounds for CVE-2007-3645, and upgrading is the recommended action.