Out-of-bounds read in Valenok Mongoose



Published: 2019-07-11 | Updated: 2020-12-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-13503
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Mongoose
Web applications / JS libraries

Vendor Valenok

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU35729

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13503

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to heap-based buffer over-read. A remote attacker can perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Mongoose: 6.15

External links

http://fuzzit.dev/2019/07/11/discovering-cve-2019-13504-cve-2019-13503-and-the-importance-of-api-fuzzing/
http://github.com/cesanta/mongoose/pull/1035


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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