High severity · published Jan 28, 2020
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,…
7.5
CVSS
2.8%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
17; 18 · source: NVD
PY
Py-bcrypt · Python
before 0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-1895
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-1895
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html
Mailing List
http://www.openwall.com/lists/oss-security/2013/03/26/2
Third Party Advisory
http://www.securityfocus.com/bid/58702
Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/83039
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