Vulnerability Description
In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 11.3 |
| Siemens | Simatic Rf350M Firmware | All versions |
| Siemens | Simatic Rf350M | - |
| Siemens | Simatic Rf650M Firmware | All versions |
| Siemens | Simatic Rf650M | - |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdfThird Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.ascVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdfThird Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.ascVendor Advisory
FAQ
What is CVE-2020-7461?
CVE-2020-7461 is a vulnerability with a CVSS score of 7.3 (HIGH). In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input rela...
How severe is CVE-2020-7461?
CVE-2020-7461 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-7461?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd, Siemens Simatic Rf350M Firmware, Siemens Simatic Rf350M, Siemens Simatic Rf650M Firmware, Siemens Simatic Rf650M.