SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-7792

A buffer overflow will occur when viewing a certificate in the certificate manager if the certificate has an extremely long object identifier (OID).

CRITICAL 9.8EPSS 3.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A buffer overflow will occur when viewing a certificate in the certificate manager if the certificate has an extremely long object identifier (OID). This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.22% probability · 88th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
debian/debian linux · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux workstation · mozilla/thunderbird · mozilla/firefox
Source
security@mozilla.org

References

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