Multiple vulnerabilities in Parallels Desktop



Published: 2023-03-10
Risk Low
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2023-27325
CVE-2023-27322
CVE-2023-27323
CVE-2023-27324
CWE-ID CWE-665
CWE-367
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Parallels Desktop
Operating systems & Components / Operating system package or component

Vendor

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Improper Initialization

EUVDB-ID: #VU73229

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-27325

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization within the Updater service. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 18.1.0

External links

http://www.zerodayinitiative.com/advisories/ZDI-23-219/
http://kb.parallels.com/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) Improper Initialization

EUVDB-ID: #VU73232

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-27322

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization within the Parallels Service. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 18.1.0

External links

http://www.zerodayinitiative.com/advisories/ZDI-23-216/
http://kb.parallels.com/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.

3) Time-of-check Time-of-use (TOCTOU) Race Condition

EUVDB-ID: #VU73231

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-27323

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a time-of-check-time-of-use (TOCTOU) race condition within the Updater service. A local user can gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 18.1.0

External links

http://www.zerodayinitiative.com/advisories/ZDI-23-217/
http://kb.parallels.com/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.

4) Improper Initialization

EUVDB-ID: #VU73230

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-27324

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization within the Updater service. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 18.1.0

External links

http://www.zerodayinitiative.com/advisories/ZDI-23-218/
http://kb.parallels.com/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.



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