LHA long pathname buffer overflow
| lha-long-pathname-bo (16917) |  High Risk |
Description:
LHA is vulnerable to a buffer overflow via the l and v options. A remote attacker could create a specially-crafted .LHZ archive with a long pathname to overflow a buffer and execute arbitrary code on the system.
Consequences:
Gain Access
Remedy:
For Red Hat Linux:
Upgrade to the latest lha package, as listed below. Refer to RHSA-2004:323-09 and RHSA-2004:440-04 for more information. See References.
Red Hat Enterprise Linux AS (v. 3), ES (v. 3), WS (v. 3), Desktop: 1.14i-10.4.x86_64 or later
Red Hat Enterprise Linux AS (v. 2.1), ES (v. 2.1), WS (v. 2.1), and Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor: 1.00-17.3 or later
As a workaround, apply the unofficial patch, available from the BugTraq Mailing List, Tue Jun 15 2004 - 19:57:51 CDT. See References.
For Gentoo Linux:
Upgrade to the latest version of lha (114i-r4 or later), as listed in GLSA 200409-13. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- BugTraq Mailing List, Tue Jun 15 2004 - 19:57:51 CDT: Re: [SECURITY] [DSA 515-1] New lha packages fix several vulnerabilities; Re:.
- CIAC Information Bulletin 0-210: LHA Packages Buffer Overflow Vulnerability.
- BID-11093: LHA Multiple Code Execution Vulnerabilities
- CVE-2004-0769: Buffer overflow in LHA allows remote attackers to execute arbitrary code via long pathnames in LHarc format 2 headers for a .LHZ archive, as originally demonstrated using the x option but also exploitable through l and v, and fixed in header.c, a different issue than CVE-2004-0771.
- GLSA-200409-13: LHa: Multiple vulnerabilities
- RHSA-2004-323: lha security update
- RHSA-2004-440: lha security update
Platforms Affected:
- Gentoo Linux
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 AW
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 Desktop
- RedHat Enterprise Linux 3 AS
- RedHat Linux Advanced Workstation 2.1 Itanium
- Tsugio Okamoto LHA
Reported:
Jun 15, 2004
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