RHSA-2005_007

Vulnerability from csaf_redhat - Published: 2005-01-12 18:38 - Updated: 2024-11-21 23:18
Summary
Red Hat Security Advisory: unarj security update
Severity
Low
Notes
Topic: An updated unarj package that fixes a buffer overflow vulnerability and a directory traversal vulnerability is now available.
Details: The unarj program is an archiving utility which can extract ARJ-compatible archives. A buffer overflow bug was discovered in unarj when handling long file names contained in an archive. An attacker could create a specially crafted archive which could cause unarj to crash or possibly execute arbitrary code when extracted by a victim. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0947 to this issue. Additionally, a path traversal vulnerability was discovered in unarj. An attacker could create a specially crafted archive which would create files in the parent ("..") directory when extracted by a victim. When used recursively, this vulnerability could be used to overwrite critical system files and programs. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-1027 to this issue. Users of unarj should upgrade to this updated package which contains backported patches and is not vulnerable to these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2004-0947

Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary code via an arj archive that contains long filenames.

Affected products
Product Identifier Version Remediation
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
Red Hat / Red Hat Enterprise Linux
 cpe:/o:redhat:enterprise_linux:2.1::as —
Vendor Fix fix
Red Hat Enterprise Linux ES version 2.1
Red Hat / Red Hat Enterprise Linux
 cpe:/o:redhat:enterprise_linux:2.1::es —
Vendor Fix fix
Red Hat Enterprise Linux WS version 2.1
Red Hat / Red Hat Enterprise Linux
 cpe:/o:redhat:enterprise_linux:2.1::ws —
Vendor Fix fix
Red Hat Linux Advanced Workstation 2.1
Red Hat / Red Hat Enterprise Linux
 cpe:/o:redhat:enterprise_linux:2.1::aw —
Vendor Fix fix
Threats
Impact Low
CVE-2004-1027

Directory traversal vulnerability in the -x (extract) command line option in unarj allows remote attackers to overwrite arbitrary files via an arj archive with filenames that contain .. (dot dot) sequences.

Affected products
Fixed 4 products, the same list as for CVE-2004-0947
Threats
Impact Low
References
To clipboard 

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        "text": "An updated unarj package that fixes a buffer overflow vulnerability and a\ndirectory traversal vulnerability is now available.",
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        "text": "The unarj program is an archiving utility which can extract ARJ-compatible\narchives.\n\nA buffer overflow bug was discovered in unarj when handling long file\nnames contained in an archive.  An attacker could create a specially\ncrafted archive which could cause unarj to crash or possibly execute\narbitrary code when extracted by a victim.  The Common Vulnerabilities and\nExposures project (cve.mitre.org) has assigned the name CAN-2004-0947 to\nthis issue.\n\nAdditionally, a path traversal vulnerability was discovered in unarj.  An\nattacker could create a specially crafted archive which would create files\nin the parent (\"..\") directory when extracted by a victim.  When used\nrecursively, this vulnerability could be used to overwrite critical system\nfiles and programs.  The Common Vulnerabilities and Exposures project\n(cve.mitre.org) has assigned the name CAN-2004-1027 to this issue.\n\nUsers of unarj should upgrade to this updated package which contains\nbackported patches and is not vulnerable to these issues.",
        "title": "Details"
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}



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