CVE-2019-17007

Description

In Network Security Services before 3.44, a malformed Netscape Certificate Sequence can cause NSS to crash, resulting in a denial of service.

CVSS Metrics

• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
• v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.27%• Percentile: 51%

Techniques & Countermeasures

• CWE-295•Improper Certificate Validation

  The product does not validate, or incorrectly validates, a certificate.

Affected Systems

• mozilla•network_security_services

  < 3.44

• mozilla•nss

  ≥ unspecified, < 3.44

• siemens•ruggedcom rox mx5000

  < 2.14.0

• siemens•ruggedcom rox rx1400

  < 2.14.0

• siemens•ruggedcom rox rx1500

  < 2.14.0

• siemens•ruggedcom rox rx1501

  < 2.14.0

• siemens•ruggedcom rox rx1510

  < 2.14.0

• siemens•ruggedcom rox rx1511

  < 2.14.0

• siemens•ruggedcom rox rx1512

  < 2.14.0

• siemens•ruggedcom rox rx5000

  < 2.14.0

References (4)

• https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.44_release_notes
• https://bugzilla.mozilla.org/show_bug.cgi?id=1533216
• https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04