CVE-2017-7228

23Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 1.6%

from disclosure to weapon7 days

Published on NVDApr 4

1st PoC+7d

exploitation probability

1.6%top 27% of all CVEs

observed exploitation

nono source reports it

2 public exploit(s)

An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

Affected products

n/a · n/a

public PoCs found — 2

cve_referencewww.exploit-db.com/exploits/41870/unverified exploitdbwww.exploit-db.com/exploits/41870unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://openwall.com/lists/oss-security/2017/04/04/3 https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html https://www.exploit-db.com/exploits/41870/http://www.debian.org/security/2017/dsa-3847 http://www.securityfocus.com/bid/97375 http://www.securitytracker.com/id/1038223 http://xenbits.xen.org/xsa/advisory-212.html