Information disclosure in Imagemagick
CVE-2018-16323
ReadXBMImage in coders/xbm.c in ImageMagick before 7.0.8-9 leaves data uninitialized when processing an XBM file that has a negative pixel value. If the affected code is used as a library loaded into a process that includes sensitive information, that information sometimes can be leaked via the image data.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.493 (98.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.493 · newest: 0.493 · change: 0.000
Affected products
- Imagemagick
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/45890/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- github.com/ImageMagick/ImageMagick/commit/216d117f05bff87b9dc4db55a1b1fadb38bcb… (Patch, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3785-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4034-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16323?
- CVE-2018-16323 is a medium-severity vulnerability in Imagemagick, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-09-01.
- How severe is CVE-2018-16323?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-16323 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.