SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-3987

The GeckoActiveXObject function in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, generates different exception messages depending on whether the referenced COM object is listed in the registry, which allows remote…

HIGH 7.8EPSS 1.62%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The GeckoActiveXObject function in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, generates different exception messages depending on whether the referenced COM object is listed in the registry, which allows remote attackers to obtain potentially sensitive information about installed software by making multiple calls that specify the ProgID values of different COM objects.

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:C/I:N/A:N
EPSS
1.62% probability · 75th percentile
CISA KEV
Not listed
Weakness
CWE-200
Affected
mozilla/firefox · mozilla/seamonkey
Source
cve@mitre.org

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