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CVE

GHSA-72m5-fvvv-55m6

Observable Differences in Behavior to Error Inputs in Bouncy Castle
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CVE

GHSA-72m5-fvvv-55m6

Observable Differences in Behavior to Error Inputs in Bouncy Castle

In Legion of the Bouncy Castle BC before 1.55 and BC-FJA before 1.0.2, attackers can obtain sensitive information about a private exponent because of Observable Differences in Behavior to Error Inputs. This occurs in org.bouncycastle.crypto.encodings.OAEPEncoding. Sending invalid ciphertext that decrypts to a short payload in the OAEP Decoder could result in the throwing of an early exception, potentially leaking some information about the private exponent of the RSA private key performing the encryption.

Package Versions Affected

Package Version
patch Availability
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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
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C
H
U
-

Related Resources

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References

Severity

5.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
5.3
EPSS Probability
0.01448%
EPSS Percentile
0.80231%
Introduced Version
1.46
Fix Available
1.61

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