SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5627

This leads to an integer overflow in the js_pushstring function in jsrun.c when parsing a specially crafted JS file.

HIGH 7.8EPSS 1.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in Artifex Software, Inc. MuJS before 4006739a28367c708dea19aeb19b8a1a9326ce08. The jsR_setproperty function in jsrun.c lacks a check for a negative array length. This leads to an integer overflow in the js_pushstring function in jsrun.c when parsing a specially crafted JS file.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.25% probability · 68th percentile
CISA KEV
Not listed
Weakness
CWE-190
Affected
artifex/mujs
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.