#VU7238 Security restrictions bypass in Linux kernel - CVE-2017-7895
Published: June 29, 2017 / Updated: June 30, 2017
Vulnerability identifier: #VU7238
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7895
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to boundary error when handling a user-supplied input. A remote attacker can send a specially crafted request, trigger pointer-arithmetic errors or possibly have unspecified other impact related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.
Successful exploitation of the vulnerability results in access to the system.
The weakness exists due to boundary error when handling a user-supplied input. A remote attacker can send a specially crafted request, trigger pointer-arithmetic errors or possibly have unspecified other impact related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.
Successful exploitation of the vulnerability results in access to the system.
Remediation
Install update from vendor's website.