JerryScript up to f86d7459d195c8ba58479d1861b0cc726c8b3793 ecma-builtin-typedarray-prototype.c null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.2 | $0-$5k | 0.00 |
A vulnerability was found in JerryScript up to f86d7459d195c8ba58479d1861b0cc726c8b3793. It has been declared as problematic. This vulnerability affects an unknown code of the file jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.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. CVE summarizes:
JerryScript version Tested on commit f86d7459d195c8ba58479d1861b0cc726c8b3793. Analysing history it seems that the issue has been present since commit 64a340ffeb8809b2b66bbe32fd443a8b79fdd860 contains a CWE-476: NULL Pointer Dereference vulnerability in Triggering undefined behavior at jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c:598 (passing NULL to memcpy as 2nd argument) results in null pointer dereference (segfault) at jerry-core/jmem/jmem-heap.c:463 that can result in Crash due to segmentation fault. This attack appear to be exploitable via The victim must execute specially crafted javascript code. This vulnerability appears to have been fixed in after commit 87897849f6879df10e8ad68a41bf8cf507edf710.
The bug was discovered 07/24/2018. The weakness was shared 08/20/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-1000636 since 08/20/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 27 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.
Product
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: 5.4VulDB Meta Temp Score: 5.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
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: 🔍
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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/24/2018 🔍08/20/2018 🔍
08/20/2018 🔍
08/20/2018 🔍
08/21/2018 🔍
05/02/2023 🔍
Sources
Advisory: 2435Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-1000636 (🔍)
Entry
Created: 08/21/2018 07:12Updated: 05/02/2023 16:33
Changes: 08/21/2018 07:12 (55), 03/17/2020 08:08 (2), 05/02/2023 16:33 (4)
Complete: 🔍
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