libfpx 1.3.1_p6 fpx Image olestrm.cpp OLEStream::WriteVT_LPSTR null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.4 | $0-$5k | 0.00 |
A vulnerability was found in libfpx 1.3.1_p6 and classified as problematic. Affected by this issue is the function OLEStream::WriteVT_LPSTR
of the file olestrm.cpp of the component fpx Image Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:
OLEStream::WriteVT_LPSTR in olestrm.cpp in libfpx 1.3.1_p6 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted fpx image.
The bug was discovered 08/09/2017. The weakness was presented 08/28/2017 (oss-sec). The advisory is available at openwall.com. This vulnerability is handled as CVE-2017-12923 since 08/17/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 19 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 105820, 105819, 105817 and 105816 for similar entries.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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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: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/09/2017 🔍08/17/2017 🔍
08/28/2017 🔍
08/28/2017 🔍
08/29/2017 🔍
11/10/2019 🔍
Sources
Advisory: openwall.comStatus: Not defined
CVE: CVE-2017-12923 (🔍)
See also: 🔍
Entry
Created: 08/29/2017 10:35Updated: 11/10/2019 20:16
Changes: 08/29/2017 10:35 (52), 11/10/2019 20:16 (7)
Complete: 🔍
Cache ID: 18:058:103
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