CVE-2013-1895

The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html	Third Party Advisory Tool Signature
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/03/26/2	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/58702	Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/83039	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:python:py-bcrypt:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:17:::::::*
	cpe:2.3:o:fedoraproject:fedora:18:::::::*

History

No history.

Information

Published : 2020-01-28 15:15

Updated : 2024-02-28 17:28

NVD link : CVE-2013-1895

Mitre link : CVE-2013-1895

CVE.ORG link : CVE-2013-1895

JSON object : View

Products Affected

fedoraproject

fedora

python

py-bcrypt

CWE

CWE-307

Improper Restriction of Excessive Authentication Attempts

{"id": "CVE-2013-1895", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2020-01-28T15:15:14.343", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html", "tags": ["Third Party Advisory", "Tool Signature"], "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2013/03/26/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/58702", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/83039", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-307"}]}], "descriptions": [{"lang": "en", "value": "The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten."}, {"lang": "es", "value": "El m\u00f3dulo py-bcrypt versiones anteriores a 0.3 para Python, no maneja apropiadamente el acceso concurrente a la memoria, que permite a atacantes omitir la autenticaci\u00f3n por medio de m\u00faltiples peticiones de autenticaci\u00f3n, lo que desencadena que el hash de contrase\u00f1a se sobrescriba."}], "lastModified": "2020-02-04T16:49:58.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:py-bcrypt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "15AC7E79-63CD-4879-9954-80B455BD12FE", "versionEndExcluding": "0.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2DA9D861-3EAF-42F5-B0B6-A4CD7BDD6188"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E14271AE-1309-48F3-B9C6-D7DEEC488279"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}