CVE-2011-4089

The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory.

CVSS v2.0 4.6 MEDIUM

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862	Patch
http://www.exploit-db.com/exploits/18147	Exploit
http://seclists.org/fulldisclosure/2011/Oct/804
http://www.openwall.com/lists/oss-security/2011/10/28/16
http://www.ubuntu.com/usn/USN-1308-1	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:bzip:bzip2:1.0:::::::*
	cpe:2.3:a:bzip:bzip2:1.0.3:::::::*
	cpe:2.3:a:bzip:bzip2::::::::
	cpe:2.3:a:bzip:bzip2:1.0.2:::::::*
	cpe:2.3:a:bzip:bzip2:1.0.1:::::::*

Information

Published : 2014-04-16 11:37

Updated : 2014-04-17 07:15

NVD link : CVE-2011-4089

Mitre link : CVE-2011-4089

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

Products Affected

bzip

bzip2

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862", "name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "http://www.exploit-db.com/exploits/18147", "name": "18147", "tags": ["Exploit"], "refsource": "EXPLOIT-DB"}, {"url": "http://seclists.org/fulldisclosure/2011/Oct/804", "name": "20111025 Re: Symlink vulnerabilities", "tags": [], "refsource": "FULLDISC"}, {"url": "http://www.openwall.com/lists/oss-security/2011/10/28/16", "name": "[oss-security] 20111028 Re: Request for CVE Identifier: bzexe insecure\ttemporary file", "tags": [], "refsource": "MLIST"}, {"url": "http://www.ubuntu.com/usn/USN-1308-1", "name": "USN-1308-1", "tags": ["Patch"], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-264"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-4089", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2014-04-16T18:37Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:bzip:bzip2:1.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:bzip:bzip2:1.0.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:bzip:bzip2:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.0.4"}, {"cpe23Uri": "cpe:2.3:a:bzip:bzip2:1.0.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:bzip:bzip2:1.0.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2014-04-17T14:15Z"}

4.6 /10