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[email protected]NVD:CVE-2013-7372

HistoryApr 29, 2014 - 8:55 p.m.

CVE-2013-7372

2014-04-2920:55:08

CWE-310

[email protected]

web.nvd.nist.gov

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

58.0%

JSON

The engineNextBytes function in classlib/modules/security/src/main/java/common/org/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl.java in the SecureRandom implementation in Apache Harmony through 6.0M3, as used in the Java Cryptography Architecture (JCA) in Android before 4.4 and other products, when no seed is provided by the user, uses an incorrect offset value, which makes it easier for attackers to defeat cryptographic protection mechanisms by leveraging the resulting PRNG predictability, as exploited in the wild against Bitcoin wallet applications in August 2013.

Affected configurations

Nvd

Node

apacheharmonyRange≤6.0m3

googleandroidRange≤4.3.1

googleandroidMatch4.0

googleandroidMatch4.0.1

googleandroidMatch4.0.2

googleandroidMatch4.0.3

googleandroidMatch4.0.4

googleandroidMatch4.1

googleandroidMatch4.1.2

googleandroidMatch4.2

googleandroidMatch4.2.1

googleandroidMatch4.2.2

googleandroidMatch4.3

VendorProductVersionCPE
apacheharmony*cpe:2.3:a:apache:harmony:*:m3:*:*:*:*:*:*
googleandroid*cpe:2.3:o:google:android:*:*:*:*:*:*:*:*
googleandroid4.0cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
googleandroid4.0.1cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*
googleandroid4.0.2cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*
googleandroid4.0.3cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*
googleandroid4.0.4cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:*
googleandroid4.1cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:*
googleandroid4.1.2cpe:2.3:o:google:android:4.1.2:*:*:*:*:*:*:*
googleandroid4.2cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apache	harmony	*	cpe:2.3:a:apache:harmony::m3::::::*
google	android	*	cpe:2.3:o:google:android::::::::
google	android	4.0	cpe:2.3:o:google:android:4.0:::::::*
google	android	4.0.1	cpe:2.3:o:google:android:4.0.1:::::::*
google	android	4.0.2	cpe:2.3:o:google:android:4.0.2:::::::*
google	android	4.0.3	cpe:2.3:o:google:android:4.0.3:::::::*
google	android	4.0.4	cpe:2.3:o:google:android:4.0.4:::::::*
google	android	4.1	cpe:2.3:o:google:android:4.1:::::::*
google	android	4.1.2	cpe:2.3:o:google:android:4.1.2:::::::*
google	android	4.2	cpe:2.3:o:google:android:4.2:::::::*

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References

android-developers.blogspot.com.au/2013/08/some-securerandom-thoughts.html

www.nds.rub.de/media/nds/veroeffentlichungen/2013/03/25/paper_2.pdf

android.googlesource.com/platform/libcore/+/kitkat-release/luni/src/main/java/org/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl.java

bitcoin.org/en/alert/2013-08-11-android

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

58.0%

JSON

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