FreeBSD 6.3/6.3 Releng/6.4/7.1/7.2 pipe_build_write_buffer numeric error
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
A vulnerability has been found in FreeBSD 6.3/6.3 Releng/6.4/7.1/7.2 (Operating System) and classified as problematic. Affected by this vulnerability is the function pipe_build_write_buffer
. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality. The summary by CVE is:
Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.
The weakness was shared 06/10/2009 by Pieter de Boer (Website). The advisory is shared at security.freebsd.org. This vulnerability is known as CVE-2009-1935 since 06/05/2009. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (51109).
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 5.5
VulDB Base Score: 6.2
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
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Exploiting
Class: Numeric errorCWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
06/05/2009 🔍06/10/2009 🔍
06/10/2009 🔍
06/10/2009 🔍
06/10/2009 🔍
06/10/2009 🔍
06/18/2009 🔍
03/17/2015 🔍
11/11/2018 🔍
Sources
Product: freebsd.orgAdvisory: security.freebsd.org
Researcher: Pieter de Boer
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2009-1935 (🔍)
X-Force: 51109 - FreeBSD direct pipe information disclosure
SecurityTracker: 1022365
SecurityFocus: 35279 - FreeBSD Direct Pipe Write Local Information Disclosure Vulnerability
Secunia: 35398 - FreeBSD Direct Pipe Writes Information Disclosure Vulnerability, Less Critical
OSVDB: 55044 - FreeBSD Direct Pipe Write Page Set Computation Information Disclosure
Entry
Created: 03/17/2015 23:38Updated: 11/11/2018 09:32
Changes: 03/17/2015 23:38 (66), 11/11/2018 09:32 (1)
Complete: 🔍
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