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Vulnerability Details : CVE-2012-1150

Python before 2.6.8, 2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
Publish Date : 2012-10-05 Last Update Date : 2013-10-30
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 310

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P 2011-11-01 2011-12-28
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-0744 -- python security update (moderate) oval:org.mitre.oval:def:27651 unix
DEPRECATED: ELSA-2012-0745 -- python security update (moderate) oval:org.mitre.oval:def:27594 unix
ELSA-2012:0744: python security update (Moderate) oval:org.mitre.oval:def:23753 unix
ELSA-2012:0745: python security update (Moderate) oval:org.mitre.oval:def:23066 unix
RHSA-2012:0744: python security update (Moderate) oval:org.mitre.oval:def:21389 unix
RHSA-2012:0744: python security update (Moderate) oval:com.redhat.rhsa:def:20120744 unix
RHSA-2012:0745: python security update (Moderate) oval:org.mitre.oval:def:21287 unix
RHSA-2012:0745: python security update (Moderate) oval:com.redhat.rhsa:def:20120745 unix
USN-1596-1 -- python2.6 vulnerabilities oval:org.mitre.oval:def:18043 unix
VMware security updates for vSphere API and ESX Service Console oval:org.mitre.oval:def:20677 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-1150

# Product Type Vendor Product Version Update Edition Language
1 Application Python Python 0.9.0 Version Details Vulnerabilities
2 Application Python Python 0.9.1 Version Details Vulnerabilities
3 Application Python Python 1.2 Version Details Vulnerabilities
4 Application Python Python 1.3 Version Details Vulnerabilities
5 Application Python Python 1.5.2 Version Details Vulnerabilities
6 Application Python Python 1.6 Version Details Vulnerabilities
7 Application Python Python 1.6.1 Version Details Vulnerabilities
8 Application Python Python 2.0 Version Details Vulnerabilities
9 Application Python Python 2.0.1 Version Details Vulnerabilities
10 Application Python Python 2.1 Version Details Vulnerabilities
11 Application Python Python 2.1.1 Version Details Vulnerabilities
12 Application Python Python 2.1.2 Version Details Vulnerabilities
13 Application Python Python 2.1.3 Version Details Vulnerabilities
14 Application Python Python 2.2 Version Details Vulnerabilities
15 Application Python Python 2.2.1 Version Details Vulnerabilities
16 Application Python Python 2.2.2 Version Details Vulnerabilities
17 Application Python Python 2.2.3 Version Details Vulnerabilities
18 Application Python Python 2.3 Version Details Vulnerabilities
19 Application Python Python 2.3.1 Version Details Vulnerabilities
20 Application Python Python 2.3.2 Version Details Vulnerabilities
21 Application Python Python 2.3.3 Version Details Vulnerabilities
22 Application Python Python 2.3.4 Version Details Vulnerabilities
23 Application Python Python 2.3.5 Version Details Vulnerabilities
24 Application Python Python 2.3.7 Version Details Vulnerabilities
25 Application Python Python 2.4 Version Details Vulnerabilities
26 Application Python Python 2.4.1 Version Details Vulnerabilities
27 Application Python Python 2.4.2 Version Details Vulnerabilities
28 Application Python Python 2.4.3 Version Details Vulnerabilities
29 Application Python Python 2.4.4 Version Details Vulnerabilities
30 Application Python Python 2.4.6 Version Details Vulnerabilities
31 Application Python Python 2.5 Version Details Vulnerabilities
32 Application Python Python 2.5.1 Version Details Vulnerabilities
33 Application Python Python 2.5.2 Version Details Vulnerabilities
34 Application Python Python 2.5.3 Version Details Vulnerabilities
35 Application Python Python 2.5.4 Version Details Vulnerabilities
36 Application Python Python 2.5.6 Version Details Vulnerabilities
37 Application Python Python 2.5.150 Version Details Vulnerabilities
38 Application Python Python 2.6 Version Details Vulnerabilities
39 Application Python Python 2.6.1 Version Details Vulnerabilities
40 Application Python Python 2.6.2 Version Details Vulnerabilities
41 Application Python Python 2.6.3 Version Details Vulnerabilities
42 Application Python Python 2.6.4 Version Details Vulnerabilities
43 Application Python Python 2.6.5 Version Details Vulnerabilities
44 Application Python Python 2.6.6 Version Details Vulnerabilities
45 Application Python Python 2.6.7 Version Details Vulnerabilities
46 Application Python Python 2.6.2150 Version Details Vulnerabilities
47 Application Python Python 2.6.6150 Version Details Vulnerabilities
48 Application Python Python 2.7 Version Details Vulnerabilities
49 Application Python Python 2.7.1 Version Details Vulnerabilities
50 Application Python Python 2.7.1 RC1 Version Details Vulnerabilities
51 Application Python Python 2.7.2 RC1 Version Details Vulnerabilities
52 Application Python Python 2.7.1150 Version Details Vulnerabilities
53 Application Python Python 2.7.2150 Version Details Vulnerabilities
54 Application Python Python 3.0 Version Details Vulnerabilities
55 Application Python Python 3.0.1 Version Details Vulnerabilities
56 Application Python Python 3.1 Version Details Vulnerabilities
57 Application Python Python 3.1.1 Version Details Vulnerabilities
58 Application Python Python 3.1.2 Version Details Vulnerabilities
59 Application Python Python 3.1.3 Version Details Vulnerabilities
60 Application Python Python 3.1.4 Version Details Vulnerabilities
61 Application Python Python 3.2 Alpha Version Details Vulnerabilities
62 Application Python Python 3.2 Version Details Vulnerabilities
63 Application Python Python 3.2.2150 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Python Python 63

- References For CVE-2012-1150

http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
APPLE APPLE-SA-2013-10-22-3
http://bugs.python.org/issue13703 CONFIRM
http://mail.python.org/pipermail/python-dev/2011-December/115116.html
MLIST [python-dev] 20111229 Hash collision security issue (now public)
http://www.ubuntu.com/usn/USN-1615-1
UBUNTU USN-1615-1
http://www.ubuntu.com/usn/USN-1596-1
UBUNTU USN-1596-1
http://www.ubuntu.com/usn/USN-1592-1
UBUNTU USN-1592-1
http://www.openwall.com/lists/oss-security/2012/03/10/3
MLIST [oss-security] 20120309 Re: CVE Request: Python Hash DoS (Issue 13703)
http://secunia.com/advisories/51089
SECUNIA 51089
http://python.org/download/releases/2.6.8/ CONFIRM
http://secunia.com/advisories/51087
SECUNIA 51087
http://mail.python.org/pipermail/python-dev/2012-January/115892.html
MLIST [python-dev] 20120128 plugging the hash attack
http://www.ubuntu.com/usn/USN-1616-1
UBUNTU USN-1616-1
https://bugzilla.redhat.com/show_bug.cgi?id=750555 CONFIRM
http://python.org/download/releases/2.7.3/ CONFIRM
http://secunia.com/advisories/50858
SECUNIA 50858
http://python.org/download/releases/3.1.5/ CONFIRM
http://python.org/download/releases/3.2.3/ CONFIRM

- Metasploit Modules Related To CVE-2012-1150

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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