PT-2021-10804 · Jsish · Jsish

Bird8693 · Published 2021-07-13 · Updated 2021-07-15 · CVE-2020-22874

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions jsish versions prior to 3.0.8

Description The issue is related to an integer overflow vulnerability in the Jsi ObjArraySizer function. This vulnerability allows remote attackers to execute arbitrary code.

Recommendations For versions prior to 3.0.8, update to version 3.0.8 or later to resolve the issue. As a temporary workaround, consider restricting access to the Jsi ObjArraySizer function until a patch is available.

Exploit

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2020-22874

Affected Products

Jsish

References · 5

• 🔥 https://github.com/pcmacdon/jsish/issues/5 · Exploit
• https://github.com/pcmacdon/jsish/commit/858da537bde4de9d8c92466d5a866505310bc328 · Patch
• https://osv.dev/vulnerability/CVE-2020-22874 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-22874 · Security Note
• https://t.me/cvenotify/17662 · Telegram Post