PT-2022-12735 · Jsish · Jsish

Hope-Fly · Published 2022-01-27 · Updated 2022-02-02 · CVE-2021-46489

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Jsish version 3.5.0

Description A heap-use-after-free issue was discovered in Jsish, which can lead to a Denial of Service (DoS). The issue is related to the Jsi DecrRefCount function in the src/jsiValue.c file.

Recommendations For Jsish version 3.5.0, consider applying a patch or fix that addresses the heap-use-after-free issue in the Jsi DecrRefCount function to prevent Denial of Service (DoS) attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-46489

Affected Products

Jsish

References · 3

• 🔥 https://github.com/pcmacdon/jsish/issues/74 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46489 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46489 · Vendor Advisory