NULL pointer dereference in Swftools
CVE-2017-16711
The swf_DefineLosslessBitsTagToImage function in lib/modules/swfbits.c in SWFTools 0.9.2 mishandles an uncompress failure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) because of extractDefinitions in lib/readers/swf.c and fill_line_bitmap in lib/devices/render.c, as demonstrated by swfrender.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Swftools — versions 0.9.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/matthiaskramm/swftools/issues/46 (Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/101797 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-16711?
- CVE-2017-16711 is a medium-severity vulnerability in Swftools, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-11-09.
- How severe is CVE-2017-16711?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-16711 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.