SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-7181

The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data…

HIGH 7.5EPSS 7.51%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data structure, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted OCTET STRING data, related to a "use-after-poison" issue.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
7.51% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
mozilla/network security services · mozilla/firefox
Source
security@mozilla.org

References

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