CVE-2017-12843
MEDIUM severity · CVSS 6.5 · Improper input validation
6.5CVSS MEDIUM
Summary
Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via a crafted (1) SYNCAPPLY, (2) SYNCGET or (3) SYNCRESTORE command.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.3.htmlAdvisory
- https://github.com/cyrusimap/cyrus-imapd/commit/53c4137bd924b954432c6c59da7572c4c5ffa901Advisory
- https://github.com/cyrusimap/cyrus-imapd/commit/5edadcfb83bf27107578830801817f9e6d0ad941Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M32R5QPCCNT57BVH3NPV5WVJFSTDP7Q/