njs up to 0.3.1 nxt/nxt_utf8.c nxt_utf8_decode memory corruption

A vulnerability has been found in njs up to 0.3.1 and classified as critical. Affected by this vulnerability is the function nxt_utf8_decode of the file nxt/nxt_utf8.c. The manipulation with an unknown input leads to a memory corruption vulnerability (Heap-based). The CWE definition for the vulnerability is CWE-122. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

njs through 0.3.1, used in NGINX, has a heap-based buffer over-read in nxt_utf8_decode in nxt/nxt_utf8.c.

The weakness was published 05/20/2019. This vulnerability is known as CVE-2019-12207 since 05/20/2019. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/20/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at 135264 and 135266.

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Memory corruption / Heap-based (CWE-122)
Local: Yes
Remote: No

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
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Remediation: ?Recommended: no mitigation known
0-Day Time: ?05/20/2019 Advisory disclosed
05/20/2019 +0 days VulDB entry created
05/20/2019 +0 days CVE assigned
05/20/2019 +0 days VulDB last updateCVE: CVE-2019-12207 (?)
See also: ?Created: 05/20/2019 07:42 PM
Complete: ?

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