PT-2024-13745 · Cesanta · Mjs

Vorfreuder · Published 2024-01-02 · Updated 2024-01-09 · CVE-2023-49552

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 Cesanta mjs version 2.20.0

Description An Out of Bounds Write in Cesanta mjs allows a remote attacker to cause a denial of service via the mjs op json stringify function in the msj.c file.

Recommendations For Cesanta mjs version 2.20.0, consider disabling the mjs op json stringify 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

Out of bounds Read

Memory Corruption

Weakness Enumeration

CWE-125

CWE-787

Related Identifiers

CVE-2023-49552

Affected Products

Mjs

References · 11

• 🔥 https://github.com/cesanta/mjs/issues/256 · Exploit
• https://osv.dev/vulnerability/CVE-2023-49552 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-49552 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-49552 · Security Note
• https://ubuntu.com/security/CVE-2023-49552 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-49552 · Security Note
• https://twitter.com/CVEnew/status/1742318008775655749 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1742361160333054068 · Twitter Post
• https://t.me/cvenotify/65986 · Telegram Post
• https://t.me/cibsecurity/74220 · Telegram Post
• https://t.me/cvenotify/66766 · Telegram Post