Multiple vulnerabilities in Parallels Desktop



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-50228
CVE-2023-50227
CWE-ID CWE-347
CWE-787
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Parallels Desktop
Operating systems & Components / Operating system package or component

Vendor Parallels

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU84555

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-50228

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to improper verification of a cryptographic signature. A local user can escalate privileges and execute arbitrary code in the context of root.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 19.1.0

CPE2.3 External links

https://www.zerodayinitiative.com/advisories/ZDI-23-1803/
https://kb.parallels.com/en/125013


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.

2) Out-of-bounds write

EUVDB-ID: #VU84554

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-50227

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the virtio-gpu virtual device. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 19.1.0

CPE2.3 External links

https://www.zerodayinitiative.com/advisories/ZDI-23-1804/
https://kb.parallels.com/en/125013


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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