PT-2022-12748 · Jsish · Jsish

Hope-Fly · Published 2022-01-27 · Updated 2022-02-02 · CVE-2021-46503

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 /usr/lib/x86 64-linux-gnu/libasan.so.4+0x79732 endpoint.

Recommendations For Jsish version 3.5.0, as a temporary workaround, consider restricting access to the affected endpoint 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-2021-46503

Affected Products

Jsish

References · 4

• 🔥 https://github.com/pcmacdon/jsish/issues/88 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46503 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46503 · Vendor Advisory
• https://t.me/cibsecurity/36417 · Telegram Post