by Kastro
Paper/Archive/CVE-2021-33797

CVE-2021-33797

fedora — Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1.

EPSS 0.8%public exploitCVSS 9.8
critical.is priorityof 100
51
CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 56.9.569 × 2011.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

Affected

ProductAffectedFixed inSource
mujsmujs in versions 1.0.1 to 1.1.1–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitgithub.com/ccxvii/mujs/issues/148refgithub.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550