CVE-2020-7461
Summary
| CVE | CVE-2020-7461 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-03-26 21:15:00 UTC |
| Updated | 2021-09-16 16:03:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-787
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Freebsd | Freebsd | 11.3 | - | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p1 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p10 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p11 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p12 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p2 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p3 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p4 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p5 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p6 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p7 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p8 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p9 | All | All |
| Operating System | Freebsd | Freebsd | 11.4 | - | All | All |
| Operating System | Freebsd | Freebsd | 11.4 | p1 | All | All |
| Operating System | Freebsd | Freebsd | 11.4 | p2 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | - | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p1 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p2 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p3 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p4 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p5 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p6 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p7 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p8 | All | All |
| Hardware | Siemens | Simatic Rf350m | - | All | All | All |
| Operating System | Siemens | Simatic Rf350m Firmware | All | All | All | All |
| Hardware | Siemens | Simatic Rf650m | - | All | All | All |
| Operating System | Siemens | Simatic Rf650m Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc | MISC | security.FreeBSD.org | |
| cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf | MISC | cert-portal.siemens.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 376806 NetApp Clustered Data Open Network Technology for Appliance Products (ONTAP) Sensitive Information Disclosure Vulnerability (NTAP-20201016-0002)
- 590693 Siemens SIMATIC RFID Vulnerability (ICSA-21-257-11)
- 690533 Free Berkeley Software Distribution (FreeBSD) Security Update for Free Berkeley Software Distribution (FreeBSD) (762b7d4a-ec19-11ea-88f8-901b0ef719ab)