Linux Kernel CVE-2017-7895 Multiple Security Bypass Vulnerabilities
by CIRT Team
Description: The NFSv2 and NFSv3 server implementations in the Linux kernel through 4.10.13 lacks certain checks for the end of a buffer, which allows remote attackers to trigger pointer-arithmetic errors or possibly have unspecified other impact via crafted requests, related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.
Impact: Attackers can exploit these issues to bypass certain security restrictions and perform unauthorized actions. This may aid in further attacks.
Mitigation: Updates are available. Please check specific vendor advisory for more information.
Reference URL’s:
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7895
- http://www.securityfocus.com/bid/98085/info
- https://security-tracker.debian.org/tracker/CVE-2017-7895
- https://access.redhat.com/security/cve/CVE-2017-7895
- https://www.suse.com/security/cve/CVE-2017-7895/
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