| Vulnerability Name: | CVE-2009-3527 (CCN-52690) | ||||||||
| Assigned: | 2009-08-22 | ||||||||
| Published: | 2009-08-22 | ||||||||
| Updated: | 2009-10-07 | ||||||||
| Summary: | Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption. | ||||||||
| CVSS v3 Severity: | 9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
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| CVSS v2 Severity: | 6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C) 5.7 Medium (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C)
5.7 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C)
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| Vulnerability Type: | CWE-362 | ||||||||
| Vulnerability Consequences: | Gain Privileges | ||||||||
| References: | Source: CCN Type: Full-Disclosure Mailing List, Sat Aug 22 2009 - 12:19:40 CDT FreeBSD <= 6.1 kqueue() NULL pointer dereference Source: CCN Type: Full-Disclosure Mailing List, Sun Sep 13 2009 - 03:49:33 CDT FreeBSD <= 6.1 kqueue() NULL pointer dereference Source: MITRE Type: CNA CVE-2009-3527 Source: OSVDB Type: UNKNOWN 58544 Source: CCN Type: SA36955 FreeBSD Privilege Escalation Vulnerabilities Source: FREEBSD Type: Patch FreeBSD-SA-09:13 Source: CCN Type: SECTRACK ID: 1022982 FreeBSD kqueue Pipe Race Condition Lets Local Users Gain Elevated Privileges Source: CCN Type: DragonFlyBSD Web site DragonFlyBSD Source: CCN Type: FreeBSD Web site FreeBSD Source: CCN Type: NetBSD Web site NetBSD Source: CCN Type: OSVDB ID: 58544 FreeBSD kqueues Pipe close() Implementation Race Condition Arbitrary Code Execution Source: BUGTRAQ Type: Exploit 20090913 Re: [Full-disclosure] FreeBSD <= 6.1 kqueue() NULL pointer dereference Source: CCN Type: BID-36101 Multiple Vendor BSD 'kevent()' Race Condition Vulnerability Source: BID Type: Patch 36375 Source: CCN Type: BID-36375 FreeBSD 'kqueue' NULL Pointer Dereference Privilege Escalation Vulnerability Source: SECTRACK Type: Patch 1022982 Source: XF Type: UNKNOWN bsd-kqueue-code-execution(52690) | ||||||||
| Vulnerable Configuration: | Configuration 1: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||
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