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.

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.

EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.

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.

Affected products

Swftools — versions 0.9.2
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

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.