CVE-2013-1895
published 2020-01-28CVE-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…
PriorityP351high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
EPSS
2.83%
85.1th percentile
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.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | python-bcrypt | < python-bcrypt 0.4-1 (bookworm) | python-bcrypt 0.4-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| py-bcrypt | py-bcrypt | — | — |
| py-bcrypt | py-bcrypt | >= 0 < 0.3 | 0.3 |
| python | py-bcrypt | < 0.3 | 0.3 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
osv7.5HIGH
vendor_debian7.5HIGH
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OSV
Improper Restriction of Excessive Authentication Attempts in py-bcrypt
osv·2021-10-12
CVE-2013-1895 [HIGH] Improper Restriction of Excessive Authentication Attempts in py-bcrypt
Improper Restriction of Excessive Authentication Attempts in py-bcrypt
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.
GHSA
Improper Restriction of Excessive Authentication Attempts in py-bcrypt
ghsa·2021-10-12
CVE-2013-1895 [HIGH] CWE-307 Improper Restriction of Excessive Authentication Attempts in py-bcrypt
Improper Restriction of Excessive Authentication Attempts in py-bcrypt
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.
OSV
CVE-2013-1895: The py-bcrypt module before 0
osv·2020-01-28·CVSS 7.5
CVE-2013-1895 [HIGH] CVE-2013-1895: The py-bcrypt module before 0
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.
Debian
CVE-2013-1895: python-bcrypt - The py-bcrypt module before 0.3 for Python does not properly handle concurrent m...
vendor_debian·2013·CVSS 7.5
CVE-2013-1895 [HIGH] CVE-2013-1895: python-bcrypt - The py-bcrypt module before 0.3 for Python does not properly handle concurrent m...
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.
Scope: local
bookworm: resolved (fixed in 0.4-1)
bullseye: resolved (fixed in 0.4-1)
forky: resolved (fixed in 0.4-1)
sid: resolved (fixed in 0.4-1)
trixie: resolved (fixed in 0.4-1)
No detection rules found.
Bugzilla
CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass
bugzilla·2013-03-26·CVSS 7.5
CVE-2013-1895 [HIGH] CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass
CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass
Damien Miller reports:
Warning: py-bcrypt <0.3 contains a concurrency bug that could result in authn
bypass. Please upgrade to 0.3 from https://pypi.python.org/pypi/py-bcrypt
Discussion:
Created py-bcrypt tracking bugs for this issue
Affects: fedora-all [bug 927510]
---
Created py-bcrypt tracking bugs for this issue
Affects: epel-6 [bug 927512]
---
Relevant upstream patch:
https://code.google.com/p/py-bcrypt/source/detail?r=3bc365ff43736d26ff37e9f2a4084f37b381b569
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Bugzilla
CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass [fedora-all]
bugzilla·2013-03-26·CVSS 7.5
CVE-2013-1895 [HIGH] CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass [fedora-all]
CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please use the bodhi submission link
noted in the next comment(s). This will include the bug IDs of this
tracking bug as well as the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
Bodhi notes field when available.
Please note: this issue af
Bugzilla
CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass [epel-6]
bugzilla·2013-03-26·CVSS 7.5
CVE-2013-1895 [HIGH] CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass [epel-6]
CVE-2013-1895 py-bcrypt: concurrency issue leading to auth bypass [epel-6]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora EPEL.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please use the bodhi submission link
noted in the next comment(s). This will include the bug IDs of this
tracking bug as well as the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
Bodhi notes field when available.
epel-6 tracking bug for p
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.htmlhttp://www.openwall.com/lists/oss-security/2013/03/26/2http://www.securityfocus.com/bid/58702https://exchange.xforce.ibmcloud.com/vulnerabilities/83039http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.htmlhttp://www.openwall.com/lists/oss-security/2013/03/26/2http://www.securityfocus.com/bid/58702https://exchange.xforce.ibmcloud.com/vulnerabilities/83039
2020-01-28
Published