SWFTools 0.9.2 lib/modules/swfbits.c swf_DefineLosslessBitsTagToImage null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in SWFTools 0.9.2. This issue affects the function swf_DefineLosslessBitsTagToImage in the library lib/modules/swfbits.c. This manipulation causes null pointer dereference.
This vulnerability is tracked as CVE-2017-16711. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability was found in SWFTools 0.9.2 (Programming Tool Software). It has been declared as problematic. Affected by this vulnerability is the function swf_DefineLosslessBitsTagToImage in the library lib/modules/swfbits.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:
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.
The bug was discovered 11/09/2017. The weakness was disclosed 11/09/2017 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2017-16711 since 11/09/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 101797†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/09/2017 🔍11/09/2017 🔍
11/09/2017 🔍
11/09/2017 🔍
11/09/2017 🔍
11/10/2017 🔍
01/10/2023 🔍
Sources
Advisory: 46⛔Researcher: binsh fpbibi
Status: Not defined
CVE: CVE-2017-16711 (🔍)
GCVE (CVE): GCVE-0-2017-16711
GCVE (VulDB): GCVE-100-109267
SecurityFocus: 101797 - SWFTools 'swfbits.c' Remote Denial of Service Vulnerability
Entry
Created: 11/10/2017 12:37Updated: 01/10/2023 08:35
Changes: 11/10/2017 12:37 (58), 12/05/2019 14:05 (3), 01/23/2021 10:10 (3), 01/10/2023 08:35 (2)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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