SWFTools 0.9.2 lib/png.c png_load Return Value memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.5 | $0-$5k | 0.00 |
A vulnerability was found in SWFTools 0.9.2 (Programming Tool Software). It has been classified as critical. This affects the function png_load
in the library lib/png.c. The manipulation as part of a Return Value leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:
In SWFTools 0.9.2, the png_load function in lib/png.c does not check the return value of a realloc call, which allows remote attackers to cause a denial of service (invalid write and application crash) or possibly have unspecified other impact via vectors involving an IDAT tag in a crafted PNG file.
The bug was discovered 11/11/2017. The weakness was presented 11/12/2017 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-16796 since 11/12/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
See 109294 for similar entry.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/11/2017 🔍11/12/2017 🔍
11/12/2017 🔍
11/12/2017 🔍
11/13/2017 🔍
01/10/2023 🔍
Sources
Advisory: 51Status: Not defined
CVE: CVE-2017-16796 (🔍)
See also: 🔍
Entry
Created: 11/13/2017 08:25Updated: 01/10/2023 09:17
Changes: 11/13/2017 08:25 (60), 12/05/2019 16:06 (1), 01/10/2023 09:17 (3)
Complete: 🔍
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