PT-2023-22532 · Cesanta · Cesanta Mjs

Fengzhengzhan · Published 2023-05-09 · Updated 2023-05-16 · CVE-2023-30087

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cesanta MJS version 1.26

Description A Buffer Overflow issue allows a local attacker to cause a denial of service via the mjs mk string function in mjs.c. This issue can be exploited to disrupt service.

Recommendations For Cesanta MJS version 1.26, as a temporary workaround, consider disabling the mjs mk string 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

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-30087

Affected Products

Cesanta Mjs

References · 9

• 🔥 https://github.com/cesanta/mjs/issues/244 · Exploit
• https://ubuntu.com/security/CVE-2023-30087 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-30087 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-30087 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-30087 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-30087 · Vendor Advisory
• https://t.me/cvenotify/50040 · Telegram Post
• https://t.me/cibsecurity/63642 · Telegram Post
• https://t.me/cvenotify/50560 · Telegram Post