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Secunia Security Advisory 40335

Secunia Security Advisory 40335
Posted Jul 1, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in python-cjson, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the module.

tags | advisory, denial of service, python
SHA-256 | a399dc927604ecd87f296a325eef2c5579e34ac5ca314a58fbd50ebbc4a2f0f8

Secunia Security Advisory 40335

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TITLE:
python-cjson Unicode Character Encoding Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA40335

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40335/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40335

RELEASE DATE:
2010-07-02

DISCUSS ADVISORY:
http://secunia.com/advisories/40335/#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/40335/

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=40335

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 vulnerability has been reported in python-cjson, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise an application using the module.

The vulnerability is caused due to a boundary error when encoding
certain wide unicode character sequences. This can be exploited to
cause a buffer overflow by e.g. tricking an application into encoding
specially crafted wide unicode strings.

The vulnerability is reported in version 1.0.5 on UCS4 builds. Other
versions may also be affected.

SOLUTION:
Use another module.

PROVIDED AND/OR DISCOVERED BY:
Matt Giuca

ORIGINAL ADVISORY:
https://bugs.launchpad.net/ubuntu/+source/python-cjson/+bug/585274

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/

----------------------------------------------------------------------

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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