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CVE-2016-1000340

bouncycastle: Carry propagation bug in math.raw.Nat??? class

In the Bouncy Castle JCE Provider versions 1.51 to 1.55, a carry propagation bug was introduced in the implementation of squaring for several raw math classes have been fixed (org.bouncycastle.math.raw.Nat???). These classes are used by our custom elliptic curve implementations (org.bouncycastle.math.ec.custom.**), so there was the possibility of rare (in general usage) spurious calculations for elliptic curve scalar multiplications. Such errors would have been detected with high probability by the output validation for our scalar multipliers.

CVSS 3.0 · 7.5 High EPSS 2.3% KEV · Not listed
Vendors
Bouncycastle Redhat
Products
Bc-java Jboss Fuse Satellite and 1 more
CVE-2016-1000341

bouncycastle: Information exposure in DSA signature generation via timing attack

In the Bouncy Castle JCE Provider version 1.55 and earlier DSA signature generation is vulnerable to timing attack. Where timings can be closely observed for the generation of signatures, the lack of blinding in 1.55, or earlier, may allow an attacker to gain information about the signature's k value and ultimately the private value as well.

CVSS 3.0 · 5.9 Medium EPSS 2.5% KEV · Not listed
Vendors
Bouncycastle Debian Redhat
Products
Bc-java Debian Linux Jboss Fuse and 2 more
CVE-2016-1000342

bouncycastle: ECDSA improper validation of ASN.1 encoding of signature

In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.

CVSS 3.0 · 7.5 High EPSS 1.8% KEV · Not listed
Vendors
Bouncycastle Debian Redhat
Products
Bc-java Debian Linux Jboss Fuse and 2 more
CVE-2016-1000343

bouncycastle: DSA key pair generator generates a weak private key by default

In the Bouncy Castle JCE Provider version 1.55 and earlier the DSA key pair generator generates a weak private key if used with default values. If the JCA key pair generator is not explicitly initialised with DSA parameters, 1.55 and earlier generates a private value assuming a 1024 bit key size. In earlier releases this can be dealt with by explicitly passing parameters to the key pair generator.

CVSS 3.0 · 7.5 High EPSS 3.2% KEV · Not listed
Vendors
Bouncycastle Debian Redhat
Products
Bc-java Debian Linux Jboss Fuse and 2 more
CVE-2016-1000344

bouncycastle: DHIES implementation allowed the use of ECB mode

In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES implementation allowed the use of ECB mode. This mode is regarded as unsafe and support for it has been removed from the provider.

CVSS 3.0 · 7.4 High EPSS 2.1% KEV · Not listed
Vendors
Bouncycastle Redhat
Products
Bc-java Jboss Fuse Satellite and 1 more
CVE-2013-1624

bouncycastle: TLS CBC padding timing attack

The TLS implementation in the Bouncy Castle Java library before 1.48 and C# library before 1.8 does not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.

CVSS 2.0 · 4.0 Medium EPSS 3.0% KEV · Not listed
Vendors
Bouncycastle Redhat
Products
Bc-java Legion-of-the-bouncy-castle-c\#-cryptography-api Jboss Amq and 5 more
CVE-2016-1000339

bouncycastle: Information leak in AESFastEngine class

In the Bouncy Castle JCE Provider version 1.55 and earlier the primary engine class used for AES was AESFastEngine. Due to the highly table driven approach used in the algorithm it turns out that if the data channel on the CPU can be monitored the lookup table accesses are sufficient to leak information on the AES key being used. There was also a leak in AESEngine although it was substantially less. AESEngine has been modified to remove any signs of leakage (testing carried out on Intel X86-64) and is now the primary AES class for the BC JCE provider from 1.56. Use of AESFastEngine is now only recommended where otherwise deemed appropriate.

CVSS 3.0 · 5.3 Medium EPSS 2.7% KEV · Not listed
Vendors
Bouncycastle Debian Redhat
Products
Bc-java Debian Linux Jboss Fuse and 2 more
CVE-2016-1000338

bouncycastle: DSA does not fully validate ASN.1 encoding during signature verification allowing for injection of unsigned data

In Bouncy Castle JCE Provider version 1.55 and earlier the DSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.

CVSS 3.1 · 7.5 High EPSS 1.8% KEV · Not listed
Vendors
Bouncycastle Canonical Netapp and 1 more
Products
Legion-of-the-bouncy-castle-java-crytography-api Ubuntu Linux 7-mode Transition Tool and 3 more
CVE-2015-7940

bouncycastle: Invalid curve attack allowing to extract private keys

The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an "invalid curve attack."

CVSS 3.0 · 3.7 Low EPSS 4.7% KEV · Not listed
Vendors
Bouncycastle Opensuse Oracle and 1 more
Products
Bouncy Castle Crypto Package Leap Opensuse and 6 more
CVE-2023-33201

bouncycastle: potential blind LDAP injection attack using a self-signed certificate

Bouncy Castle For Java before 1.74 is affected by an LDAP injection vulnerability. The vulnerability only affects applications that use an LDAP CertStore from Bouncy Castle to validate X.509 certificates. During the certificate validation process, Bouncy Castle inserts the certificate's Subject Name into an LDAP search filter without any escaping, which leads to an LDAP injection vulnerability.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Bouncycastle Redhat
Products
Bc-java Amq Broker Amq Streams and 7 more
CVE-2022-45146

bouncy-castle: Improper Authentication

An issue was discovered in the FIPS Java API of Bouncy Castle BC-FJA before 1.0.2.4. Changes to the JVM garbage collector in Java 13 and later trigger an issue in the BC-FJA FIPS modules where it is possible for temporary keys used by the module to be zeroed out while still in use by the module, resulting in errors or potential information loss. NOTE: FIPS compliant users are unaffected because the FIPS certification is only for Java 7, 8, and 11.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Bouncycastle Oracle
Products
Fips Java Api Jdk