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Secunia Security Advisory 42995

Secunia Security Advisory 42995
Posted Jan 27, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A security issue has been reported in syslog-ng, which can be exploited by malicious, local users to disclose potentially sensitive information and manipulate certain data.

tags | advisory, local
SHA-256 | 142720d549f61da469ed25c0f11b30f9e09ce62d8140a863fc397ea7bb84b781

Secunia Security Advisory 42995

Change Mirror Download
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Request a free trial:
http://secunia.com/products/corporate/vim/


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TITLE:
syslog-ng Insecure Log File Permissions Security Issue

SECUNIA ADVISORY ID:
SA42995

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42995/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42995

RELEASE DATE:
2011-01-28

DISCUSS ADVISORY:
http://secunia.com/advisories/42995/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/42995/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=42995

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A security issue has been reported in syslog-ng, which can be
exploited by malicious, local users to disclose potentially sensitive
information and manipulate certain data.

The security issue is caused due to a type casting error when
assigning file permissions to a log file making it world-writable
(chmod 7777). This can be exploited by an unprivileged user to modify
the contents of the file.

Successful exploitation requires that the application is installed on
a platform where "mod_t" type is an unsigned short (e.g. FreeBSD).

The security issue is reported in the following products:
* syslog-ng Open Source Edition versions prior to 3.0.10, prior to
3.1.4, and prior to 3.2.2.
* syslog-ng Premium Edition versions prior to 3.0.6a and prior to
3.2.1a.

SOLUTION:
Update to a fixed version.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Steven Chamberlain.

ORIGINAL ADVISORY:
https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000101.html
https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000102.html
https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000103.html
https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000104.html
https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000105.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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