APAR status
Closed as program error.
Error description
Error Message: After getting a MessageDigest via getInstance("SHA-1"), if two threads attempt to clone() the message digest, the clone is not "complete", in that if the two threads then generate a hash on the cloned copies, the resulting digest sometimes overlaps. . Stack Trace: N/A . N/A
Local fix
N/A
Problem summary
MessageDigest.close() returns incomplete clone for SHA-1
Problem conclusion
MessageDigest.clone() for algorithm SHA-1 and MD5 have been fixed to add the missing array clone.The associated RTC PR is 82553The associated Austin CMVC defect is 116233The associated Hursley CMVC defect is 202656The associated Austin APAR is IV68373JVMs affected : Java 5.0, Java 6.0, Java 6.1, Java 7.0, Java 7.1The fix was delivered for Java 5.0 SR16FP10, Java 6.0 SR16FP4, Java 6.1 SR8FP4, Java 7.0 SR9, Java 7.1 SR3The affected jar is "ibmjceprovider.jar".The build level of this jar for the affected releases is "20150108" . This APAR will be fixed in the following Java Releases: 7 SR9 (7.0.9.0) 5.0 SR16 FP10 (5.0.16.10) 6 SR16 FP4 (6.0.16.4) 6 R1 SR8 FP4 (6.1.8.4) 7 R1 SR3 (7.1.3.0) . Contact your IBM Product's Service Team for these Service Refreshes and Fix Packs. For those running stand-alone, information about the Service Refreshes and Fix Packs can be found at: https://www.ibm.com/developerworks/java/jdk/
Temporary fix
Comments
APAR Information
APAR number
IV68742
Reported component name
SECURITY
Reported component ID
620700125
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2015-01-19
Closed date
2015-01-19
Last modified date
2015-01-20
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
SECURITY
Fixed component ID
620700125
Applicable component levels
R260 PSY
UP
R600 PSY
UP
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Document Information
Modified date:
07 December 2020