Mujs
CVE-2020-24343
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Artifex MuJS through 1.0.7 has a use-after-free in jsrun.c because of unconditional marking in jsgc.c.
AnalysisAI
Artifex MuJS through 1.0.7 has a use-after-free in jsrun.c because of unconditional marking in jsgc.c. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Artifex MuJS through 1.0.7 has a use-after-free in jsrun.c because of unconditional marking in jsgc.c. Affected products include: Artifex Mujs. Version information: through 1.0.7.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.
A use-after-free vulnerability was observed in Rp_toString function of Artifex Software, Inc. Rated critical severity (C
A buffer overflow vulnerability was observed in divby function of Artifex Software, Inc. Rated critical severity (CVSS 9
Artifex Software MuJS allows attackers to cause a denial of service (crash) via vectors related to incomplete escape seq
An out-of-bounds read vulnerability was observed in Sp_replace_regexp function of Artifex Software, Inc. Rated high seve
Artifex Software, Inc. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication req
The chartorune function in Artifex Software MuJS allows attackers to cause a denial of service (out-of-bounds read) via
Heap-based buffer overflow in the Fp_toString function in jsfunction.c in Artifex Software MuJS allows attackers to caus
Artifex Software, Inc. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication req
An integer overflow vulnerability was observed in the regemit function in regexp.c in Artifex Software, Inc. Rated criti
Heap-based buffer overflow in the js_stackoverflow function in jsrun.c in Artifex Software, Inc. Rated critical severity
An issue was discovered in Artifex MuJS 1.0.5. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploi
An issue was discovered in Artifex MuJS 1.0.5. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploi
Same weakness CWE-416 – Use After Free
View allSame technique Use After Free
View allShare
External POC / Exploit Code
Leaving vuln.today