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Secunia Security Advisory 14083

Secunia Security Advisory 14083
Posted Feb 6, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Niels Heinen has reported two vulnerabilities in newsgrab, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges, and potentially by malicious people to compromise a user's system.

tags | advisory, local, vulnerability
SHA-256 | 039ef0ee1900a322e7f4fccaf765049b239e847939e757991873df428dc71c53

Secunia Security Advisory 14083

Change Mirror Download

TITLE:
newsgrab Two Vulnerabilities

SECUNIA ADVISORY ID:
SA14083

VERIFY ADVISORY:
https://secunia.com/advisories/14083/

CRITICAL:
Moderately critical

IMPACT:
Privilege escalation, System access

WHERE:
>From remote

SOFTWARE:
newsgrab 0.x
https://secunia.com/product/4588/

DESCRIPTION:
Niels Heinen has reported two vulnerabilities in newsgrab, which can
be exploited by malicious, local users to perform certain actions on
a vulnerable system with escalated privileges, and potentially by
malicious people to compromise a user's system.

1) The problem is that downloaded files are created insecurely in the
output directory which is world writeable. This can e.g. be exploited
via symlink attacks to overwrite arbitrary files with the privileges
of the user running newsgrab.

2) Input from newsgroups messages isn't properly sanitised before
being used to save attachments. This can be exploited to place
attachments in arbitrary locations via directory traversal attacks.

SOLUTION:
Update to version 0.5.0pre4.
https://sourceforge.net/project/showfiles.php?group_id=52048

PROVIDED AND/OR DISCOVERED BY:
Niels Heinen

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

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

Subscribe:
https://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
https://secunia.com/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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