Description
A flaw was found in mbsync before v1.3.6 and v1.4.2, where an unchecked pointer cast allows a malicious or compromised server to write an arbitrary integer value past the end of a heap-allocated structure by issuing an unexpected APPENDUID response. This could be plausibly exploited for remote code execution on the client.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a isync
isync 1.3.6, isync 1.4.2affected
References
- http://www.openwall.com/lists/oss-security/2021/06/07/1 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U75UFEWRAZYKVL5NHMPBUOLWN3WXTOEI/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPIDLIJKNRJHUVBCL7QGAPAAVPIHQGXK/ ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710 ↗
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1967397 ↗
- https://www.openwall.com/lists/oss-security/2021/06/07/1 ↗
- https://lists.debian.org/debian-lts-announce/2022/07/msg00001.html ↗
- https://security.gentoo.org/glsa/202208-15 ↗