Vulnerability Report

CVE-2005-0953

Title: bzip2 race condition arbitrary file permissions modification

Other

Proof Of Concept

No public PoC currently indexed for CVE-2005-0953.

CWE Category NVD-CWE-noinfo

Published Date May 02, 2005

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 3.7 CVSS v2.0

Exploit Probability (EPSS)

0.40%

Vulnerability Summary

CVE-2005-0953: Race condition in bzip2 1.0.2 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by bzip2 after the decompression is complete.

Impacted Vendors

bzip 1

bzip2_project 1

Reference Links

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-004.txt.asc ftp://patches.sgi.com/support/free/security/advisories/20060301-01.U.asc http://docs.info.apple.com/article.html?artnum=307041 http://lists.apple.com/archives/security-announce/2007/Nov/msg00002.html http://marc.info/?l=bugtraq&m=111229375217633&w=2 http://secunia.com/advisories/19183 http://secunia.com/advisories/27274 http://secunia.com/advisories/27643 http://secunia.com/advisories/29940 http://sunsolve.sun.com/search/document.do?assetkey=1-26-103118-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-200191-1 http://www.debian.org/security/2005/dsa-730 http://www.fedoralegacy.org/updates/FC2/2005-11-14-FLSA_2005_158801__Updated_bzip2_packages_fix_security_issues.html http://www.mandriva.com/security/advisories?name=MDKSA-2006:026 http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.002.html http://www.redhat.com/support/errata/RHSA-2005-474.html http://www.securityfocus.com/archive/1/456430/30/8730/threaded http://www.securityfocus.com/bid/12954 http://www.securityfocus.com/bid/26444 http://www.us-cert.gov/cas/techalerts/TA07-319A.html http://www.vupen.com/english/advisories/2007/3525 http://www.vupen.com/english/advisories/2007/3868 https://exchange.xforce.ibmcloud.com/vulnerabilities/19926 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10902 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1154 ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-004.txt.asc ftp://patches.sgi.com/support/free/security/advisories/20060301-01.U.asc http://docs.info.apple.com/article.html?artnum=307041 http://lists.apple.com/archives/security-announce/2007/Nov/msg00002.html http://marc.info/?l=bugtraq&m=111229375217633&w=2 http://secunia.com/advisories/19183 http://secunia.com/advisories/27274 http://secunia.com/advisories/27643 http://secunia.com/advisories/29940 http://sunsolve.sun.com/search/document.do?assetkey=1-26-103118-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-200191-1 http://www.debian.org/security/2005/dsa-730 http://www.fedoralegacy.org/updates/FC2/2005-11-14-FLSA_2005_158801__Updated_bzip2_packages_fix_security_issues.html http://www.mandriva.com/security/advisories?name=MDKSA-2006:026 http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.002.html http://www.redhat.com/support/errata/RHSA-2005-474.html http://www.securityfocus.com/archive/1/456430/30/8730/threaded http://www.securityfocus.com/bid/12954 http://www.securityfocus.com/bid/26444 http://www.us-cert.gov/cas/techalerts/TA07-319A.html http://www.vupen.com/english/advisories/2007/3525 http://www.vupen.com/english/advisories/2007/3868 https://exchange.xforce.ibmcloud.com/vulnerabilities/19926 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10902 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1154

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.7

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:H/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2005-0953 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

May 02, 2005 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:H/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.