Memory corruption in xen (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-7541
CWE-ID CWE-119
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 xen (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory corruption

EUVDB-ID: #VU10779

Risk: Low

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-7541

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to cause DoS condition and gain elevated privileges on the target system.

The weakness exists due to an error when transitioning from v2 to v1. An adjacent attacker can trigger memory corruption, cause the service to crash and gain root privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xen (Alpine package): 4.6.6-r3

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=6f854a08591e446ab616d0aac83e843cddcff8a9
https://git.alpinelinux.org/aports/commit/?id=0cfa2abffc5ad51933b5969c177bd1c441ea06f2
https://git.alpinelinux.org/aports/commit/?id=a95df62881a771a994c4b38730c4c69b0bf07a0e
https://git.alpinelinux.org/aports/commit/?id=7a017e10fd6de2f5477c69120b540b2cd74652a1
https://git.alpinelinux.org/aports/commit/?id=1fb3325abc8bc3f37fa93c0663908c29e9154087


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###