PT-2023-11644 · Jsish · Jsish

Published 2023-04-04 · Updated 2023-04-10 · CVE-2020-23259

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Jsish versions 3.0.11 and earlier

Description An issue in Jsish allows an attacker to cause a denial of service via the Jsi Strlen function in the src/jsiChar.c file.

Recommendations For versions 3.0.11 and earlier, as a temporary workaround, consider disabling the Jsi Strlen function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-23259

Affected Products

Jsish

References · 5

• 🔥 https://github.com/pcmacdon/jsish/issues/13 · Exploit
• https://osv.dev/vulnerability/CVE-2020-23259 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23259 · Security Note
• https://jsish.org/fossil/jsi2/tktview?name=b6bb078e00 · Note
• https://t.me/cvenotify/47904 · Telegram Post