CVE-2007-4968
CVE-2007-4968 is a medium-severity vulnerability in Privacyware Privatefirewall with a CVSS 2.0 base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.4)
- EPSS exploit prediction: 0% (20th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Privacyware Privatefirewall
- Published:
- Last modified:
Description
Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for (1) NtOpenProcess and (2) NtOpenThread.
Frequently asked questions
- What is CVE-2007-4968?
- Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for (1) NtOpenProcess and (2) NtOpenThread.
- How severe is CVE-2007-4968?
- CVE-2007-4968 has a CVSS 2.0 base score of 4.4, rated medium severity.
- Is CVE-2007-4968 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-4968?
- CVE-2007-4968 affects Privacyware Privatefirewall. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2007-4968?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2007-4968 published?
- CVE-2007-4968 was published on 2007-09-19 and last updated on 2026-06-16.
References
- http://osvdb.org/45952
- http://www.matousec.com/info/advisories/plague-in-security-software-drivers.php
- http://www.matousec.com/projects/windows-personal-firewall-analysis/plague-in-security-software-drivers.php
- http://www.securityfocus.com/archive/1/479830/100/0/threaded
- http://www.securityfocus.com/bid/25712
Affected products (1)
- cpe:2.3:a:privacyware:privatefirewall:5.0.14.2:*:*:*:*:*:*:*
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