Buffer overflow in Belden Garrettcom Magnum Dx940e
CVE-2019-12256
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET security vulnerability: Stack overflow in the parsing of IPv4 packets’ IP options.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.266 (98.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.266 · newest: 0.266 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support2.windriver.com/index.php (Issue Tracking, Vendor Advisory)
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009 (Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf (Third Party Advisory)
- security.netapp.com/advisory/ntap-20190802-0001/ (Third Party Advisory)
- www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/ (Vendor Advisory)
- support2.windriver.com/index.php (Vendor Advisory)
- support.f5.com/csp/article/K41190253 (Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf (Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12256?
- CVE-2019-12256 is a critical-severity vulnerability in Belden Garrettcom Magnum Dx940e, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2019-08-09.
- How severe is CVE-2019-12256?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-12256 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.