Permissions, Privileges, and Access Controls in Sympa

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU44022

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-2352

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The archive management (arc_manage) page in wwsympa/wwsympa.fcgi.in in Sympa before 6.1.11 does not check permissions, which allows remote attackers to list, read, and delete arbitrary list archives via vectors related to the (1) do_arc_manage, (2) do_arc_download, or (3) do_arc_delete functions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Sympa: 0.001 - 6.1b.6

External links

http://secunia.com/advisories/49045
http://secunia.com/advisories/49237
http://www.debian.org/security/2012/dsa-2477
http://www.openwall.com/lists/oss-security/2012/05/11/8
http://www.openwall.com/lists/oss-security/2012/05/12/2
http://www.openwall.com/lists/oss-security/2012/05/12/8
http://www.osvdb.org/81890
http://www.securityfocus.com/bid/53503
http://sourcesup.renater.fr/scm/viewvc.php/branches/sympa-6.0-branch/wwsympa/wwsympa.fcgi.in?root=sympa&r1=6706&r2=7358&pathrev=7358
http://www.sympa.org/distribution/latest-stable/NEWS

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.