CVE-2020-7461
Last modified
CVE-2020-7461 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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. EPSS estimates a 4.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 11.3 |
| Freebsd | Freebsd | 11.4 |
| Freebsd | Freebsd | 12.1 |
| Siemens | Simatic Rf350m Firmware | All versions |
| Siemens | Simatic Rf650m Firmware | All versions |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdfThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdfThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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- CVE-2020-7458In FreeBSD 12.1-STABLE before r362281, 11.4-STABLE before r3…9.8
- CVE-2020-7459In FreeBSD 12.1-STABLE before r362166, 12.1-RELEASE before p…6.8
- CVE-2020-7460In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p…7
- CVE-2020-7462In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p1…5.5
- CVE-2020-7463In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r3…5.5
- CVE-2020-7464In FreeBSD 12.2-STABLE before r365730, 11.4-STABLE before r3…5.3
- CVE-2020-7465The L2TP implementation of MPD before 5.9 allows a remote at…9.8
- CVE-2020-7466The PPP implementation of MPD before 5.9 allows a remote att…7.5
- CVE-2020-7467In FreeBSD 12.2-STABLE before r365767, 11.4-STABLE before r3…7.6
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