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01 Record

CVE-2016-1000338

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

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.79% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.3% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-06-01 00:00Z8 YR AGO
Last updated
2024-08-06 03:55Z2 YR AGO
Reserved
2018-06-01
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-347Improper Verification of Cryptographic SignatureBase
  • CWE-325Missing Cryptographic StepBase
Data version
5.1
Document digest
0c1ae0d55293315ac3c0af1859cbdce593453b30dd7f0ea12dabbdc54b3daaef

05 Affected products

VendorProductVersionsPlatforms
canonicalubuntu_linuxNot specified—
netapp7-mode_transition_toolNot specified—
redhatfuse_integration_servicesNot specified—
redhatjboss_data_gridNot specified—
redhatjboss_data_virtualizationNot specified—
redhatjboss_dev_studioNot specified—
redhatjboss_fuseNot specified—
redhatopenshift_application_runtimesNot specified—
redhatred_hat_single_sign_onNot specified—
redhatrhel_software_collectionsNot specified—
redhatrhev_hypervisorNot specified—
redhatsatelliteNot specified—
redhatsatellite_capsuleNot specified—
rhel_sam1Not specified—

06 References

07 Fixed in

Debian 12

  • bouncycastle
    Fixed in 1.56-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • bouncycastle
    Fixed in 1.56-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • bouncycastle
    Fixed in 1.56-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • bouncycastle
    Fixed in 1.49+dfsg-2ubuntu0.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • bouncycastle
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.