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CVE-2017-8824

Description

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

POC

Reference

- http://www.openwall.com/lists/oss-security/2017/12/05/1

- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0

- https://usn.ubuntu.com/3581-1/

- https://usn.ubuntu.com/3582-1/

- https://usn.ubuntu.com/3583-2/

- https://www.exploit-db.com/exploits/43234/

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/ostrichxyz7/kexps

- https://github.com/sriramkandukuri/cve-fix-reporter