CVE-2018-5784
MEDIUM severity · CVSS 6.5 · Uncontrolled resource consumption
6.5CVSS MEDIUM
Summary
In LibTIFF 4.0.9, there is an uncontrolled resource consumption in the TIFFSetDirectory function of tif_dir.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted tif file. This occurs because the declared number of directory entries is not validated against the actual number of directory entries.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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.
Official patch: https://gitlab.com/libtiff/libtiff/commit/473851d211cf8805a161820337ca74cc9615d6ef ↗
Additional information
- NVD record
- https://gitlab.com/libtiff/libtiff/commit/473851d211cf8805a161820337ca74cc9615d6efPatch
- https://lists.debian.org/debian-lts-announce/2018/05/msg00022.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00002.htmlAdvisory
- https://usn.ubuntu.com/3602-1/Advisory
- https://usn.ubuntu.com/3606-1/Advisory
- https://www.debian.org/security/2018/dsa-4349Advisory
- http://bugzilla.maptools.org/show_bug.cgi?id=2772Advisory