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.
References
Link | Resource |
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https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf | Third Party Advisory |
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc | Vendor Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
AND |
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Configuration 3 (hide)
AND |
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History
16 Sep 2021, 16:03
Type | Values Removed | Values Added |
---|---|---|
References | (MISC) https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf - Third Party Advisory | |
CPE | cpe:2.3:h:siemens:simatic_rf350m:-:*:*:*:*:*:*:* cpe:2.3:o:siemens:simatic_rf350m_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:siemens:simatic_rf650m_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:siemens:simatic_rf650m:-:*:*:*:*:*:*:* |
14 Sep 2021, 13:15
Type | Values Removed | Values Added |
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References |
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02 Apr 2021, 19:14
Type | Values Removed | Values Added |
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References | (MISC) https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc - Vendor Advisory | |
CPE | cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p12:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:* |
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CVSS |
v2 : v3 : |
v2 : 7.5
v3 : 7.3 |
CWE | CWE-787 |
26 Mar 2021, 21:27
Type | Values Removed | Values Added |
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New CVE |
Information
Published : 2021-03-26 21:15
Updated : 2023-12-10 13:55
NVD link : CVE-2020-7461
Mitre link : CVE-2020-7461
CVE.ORG link : CVE-2020-7461
JSON object : View
Products Affected
freebsd
- freebsd
siemens
- simatic_rf350m_firmware
- simatic_rf350m
- simatic_rf650m_firmware
- simatic_rf650m
CWE
CWE-787
Out-of-bounds Write