Secunia Security Advisory - Sybase has acknowledged a vulnerability in Sybase Enterprise Portal, which can be exploited by malicious people to bypass certain security restrictions.
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understanding of how we reached our conclusions, how it was rated,
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TITLE:
Sybase Enterprise Portal RSA Signature Forgery
SECUNIA ADVISORY ID:
SA22949
VERIFY ADVISORY:
https://secunia.com/advisories/22949/
CRITICAL:
Less critical
IMPACT:
Security Bypass
WHERE:
>From remote
SOFTWARE:
Sybase Enterprise Portal 6.x
https://secunia.com/product/12646/
DESCRIPTION:
Sybase has acknowledged a vulnerability in Sybase Enterprise Portal,
which can be exploited by malicious people to bypass certain security
restrictions.
The vulnerability is caused due to an error within the verification
of certain signatures. If an RSA key with exponent 3 is used, it may
be possible to forge a signature signed by that key.
The vulnerability is reported in version 6.0.
SOLUTION:
Do not use RSA keys with exponent 3.
PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.
ORIGINAL ADVISORY:
https://www.sybase.com/detail?id=1047991
OTHER REFERENCES:
SA21709:
https://secunia.com/advisories/21709/
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