PT-2022-12743 · Jsish · Jsish

Hope-Fly · Published 2022-01-27 · Updated 2022-02-02 · CVE-2021-46498

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 The issue is related to a heap-use-after-free in the jsi wswebsocketObjFree function located in src/jsiWebSocket.c. This can lead to a Denial of Service (DoS).

Recommendations For Jsish version 3.5.0, consider disabling the jsi wswebsocketObjFree function as a temporary workaround until a patch is available. 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-2021-46498

Affected Products

Jsish

References · 4

• 🔥 https://github.com/pcmacdon/jsish/issues/81 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46498 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46498 · Vendor Advisory
• https://t.me/cibsecurity/36407 · Telegram Post