Links smbclient command execution
| links-smbclient-command-execution (30299) |  Medium Risk |
Description:
Links could allow a remote attacker to execute arbitrary commands on the system caused by improper validation in the smb:// URLs. If the smbclient is installed and the attacker could convince a victim to click an smb:// URL, a remote attacker could exploit this vulnerability to obtain sensitive information or overwrite arbitrary files on the smb share.
Platforms Affected:
- Debian, Debian Linux 3.1
- Elinks, ELinks 0.11.1
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 2006 X86_64
- MandrakeSoft, Mandrake Linux 2006
- MandrakeSoft, Mandrake Linux 2007
- MandrakeSoft, Mandrake Linux 2007 X86_64
- OpenPKG, OpenPKG 2-STABLE
- OpenPKG, OpenPKG CURRENT
- OpenPKG, OpenPKG Enterprise E1.0-SOLID
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 ES
- Twibright, Links 1.00 pre12
Remedy:
For Red Hat Linux (Elinks):
Refer to RHSA-2006:0742-5 for patch, upgrade, or suggested workaround information. See References.
For Debian GNU/Linux (elinks):
Refer to DSA-1228-1 for patch, upgrade, or suggested workaround information. See References.
For Debian GNU/Linux (links):
Refer to DSA-1226-1 for patch, upgrade, or suggested workaround information. See References.
For Debian GNU/Linux (links2):
Refer to DSA-1240-1 for patch, upgrade, or suggested workaround information. See References.
For OpenPKG (Links):
Refer to OpenPKG Security Advisory OpenPKG-SA-2006.043 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 200701-27 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Access
References:
- Full-Disclosure Mailing List, Tue Nov 14 2006 - 19:14:56 CST, Links smbclient command execution at http://archives.neohapsis.com/archives/fulldisclosure/2006-11/0256.html.
- Links Web site, Twibright Labs: Links at http://links.twibright.com/.
- ASA-2006-252: elinks security update (RHSA-2006-0742)
- BID-21082: Links ELinks SMBClient Remote Command Execution Vulnerability
- CVE-2006-5925: Links web browser 1.00pre12 and Elinks 0.9.2 with smbclient installed allows remote attackers to execute arbitrary code via shell metacharacters in an smb:// URI, as demonstrated by using PUT and GET statements.
- DSA-1226: links -- insufficient escaping
- DSA-1228: elinks -- insufficient escaping
- DSA-1240: links2 -- insufficient escaping
- GLSA-200612-16: Links: Arbitrary Samba command execution
- GLSA-200701-27: ELinks: Arbitrary Samba command execution
- MDKSA-2006:216: Updated links packages fix smb vulnerability
- OpenPKG-SA-2006.043: Links
- RHSA-2006-0742: Critical: elinks security update
- SA22905: Links "smb" Protocol File Upload/Download Vulnerability
- SA22920: ELinks "smb" Protocol File Upload/Download Vulnerability
- SECTRACK ID: 1017232: ELinks SMB URL Parsing Bug Lets Remote Users Upload/Download Files
- SECTRACK ID: 1017233: Links SMB URL Parsing Bug Lets Remote Users Upload/Download Files
- SUSE-SR:2006:027: SUSE Security Summary Report
Reported:
Nov 15, 2006
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