Incorrect Resource Transfer Between Spheres in Xen



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-28689
CWE-ID CWE-669
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Xen
Server applications / Virtualization software

Vendor Xen Project

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect Resource Transfer Between Spheres

EUVDB-ID: #VU79453

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28689

CWE-ID: CWE-669 - Incorrect Resource Transfer Between Spheres

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Xen: before 4.12.0

CPE2.3 External links

http://xenbits.xenproject.org/xsa/advisory-370.txt


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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