CVE-2017-16711 - The swf_DefineLosslessBitsTagToImage function in lib/modules/swfbits.c in SWFTools 0.9.2 mishandles

CVE-2017-16711

Summary

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.

References

http://www.securityfocus.com/bid/101797
https://github.com/matthiaskramm/swftools/issues/46

Vulnerable Configurations

cpe:2.3:a:swftools:swftools:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:swftools:swftools:0.9.2:*:*:*:*:*:*:*

CVSS

Base:	4.3 (as of 27-11-2017 - 12:58)
Impact:
Exploitability:

CWE

CWE-476

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:M/Au:N/C:N/I:N/A:P

refmap via4

bid	101797
misc	https://github.com/matthiaskramm/swftools/issues/46

Last major update

27-11-2017 - 12:58

Published

09-11-2017 - 18:29

Last modified

27-11-2017 - 12:58