CVE-2012-2808

Current Description

The PRNG implementation in the DNS resolver in Bionic in Android before 4.1.1 incorrectly uses time and PID information during the generation of random numbers for query ID values and UDP source ports, which makes it easier for remote attackers to spoof DNS responses by guessing these numbers, a related issue to CVE-2015-0800.

Evaluator Description

CWE-330: Use of Insufficiently Random Values

Referenced by CVEs:CVE-2015-0800

Basic Data

PublishedApril 01, 2015
Last ModifiedApril 01, 2015
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeNVD-CWE-Other
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactNONE
CVSS 2 - Base Score5.0
SeverityMEDIUM
Exploitability Score10.0
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationGoogleBionic*****android**4.1.0

Vulnerable Software List

VendorProductVersions
Google Bionic *

References

NameSourceURLTags
http://blog.watchfire.com/files/androiddnsweakprng.pdfhttp://blog.watchfire.com/files/androiddnsweakprng.pdfMISCExploit
http://www.mozilla.org/security/announce/2015/mfsa2015-41.htmlhttp://www.mozilla.org/security/announce/2015/mfsa2015-41.htmlMISCVendor Advisory