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Common Weakness Enumeration

CWE-347

Allowed

Improper Verification of Cryptographic Signature

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

1272 vulnerabilities reference this CWE, most recent first.

CVE-2020-15093 (GCVE-0-2020-15093)

Vulnerability from cvelistv5 – Published: 2020-07-09 18:45 – Updated: 2024-08-04 13:08
VLAI
Title
Improper verification of signature threshold in tough
Summary
The tough library (Rust/crates.io) prior to version 0.7.1 does not properly verify the threshold of cryptographic signatures. It allows an attacker to duplicate a valid signature in order to circumvent TUF requiring a minimum threshold of unique signatures before the metadata is considered valid. A fix is available in version 0.7.1. CVE-2020-6174 is assigned to the same vulnerability in the TUF reference implementation.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
awslabs tough Affected: < 0.7.1
Create a notification for this product.
Show details on NVD website
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CVE-2020-15091 (GCVE-0-2020-15091)

Vulnerability from cvelistv5 – Published: 2020-07-02 17:05 – Updated: 2024-08-04 13:08
VLAI
Title
Denial of Service in TenderMint
Summary
TenderMint from version 0.33.0 and before version 0.33.6 allows block proposers to include signatures for the wrong block. This may happen naturally if you start a network, have it run for some time and restart it (**without changing chainID**). A malicious block proposer (even with a minimal amount of stake) can use this vulnerability to completely halt the network. This issue is fixed in Tendermint 0.33.6 which checks all the signatures are for the block with 2/3+ majority before creating a commit.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-347 - {"CWE-347":"Improper Verification of Cryptographic Signature"}
Assigner
References
Impacted products
Vendor Product Version
tendermint tendermint Affected: >= 0.33.0, < 0.33.6
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-14515 (GCVE-0-2020-14515)

Vulnerability from cvelistv5 – Published: 2020-09-16 19:48 – Updated: 2024-08-04 12:46
VLAI
Summary
CodeMeter (All versions prior to 6.90 when using CmActLicense update files with CmActLicense Firm Code) has an issue in the license-file signature checking mechanism, which allows attackers to build arbitrary license files, including forging a valid license file as if it were a valid license file of an existing vendor. Only CmActLicense update files with CmActLicense Firm Code are affected.
Severity
No CVSS data available.
CWE
  • CWE-347 - IMPROPER VERIFICATION OF CRYPTOGRAPHIC SIGNATURE CWE-347
Assigner
References
Impacted products
Vendor Product Version
n/a CodeMeter Affected: All versions prior to 6.90 when using CmActLicense update files with CmActLicense Firm Code.
Show details on NVD website
To clipboard 

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CVE-2020-14365 (GCVE-0-2020-14365)

Vulnerability from cvelistv5 – Published: 2020-09-23 12:25 – Updated: 2024-08-04 12:46
VLAI
Summary
A flaw was found in the Ansible Engine, in ansible-engine 2.8.x before 2.8.15 and ansible-engine 2.9.x before 2.9.13, when installing packages using the dnf module. GPG signatures are ignored during installation even when disable_gpg_check is set to False, which is the default behavior. This flaw leads to malicious packages being installed on the system and arbitrary code executed via package installation scripts. The highest threat from this vulnerability is to integrity and system availability.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ansible Affected: ansible-engine 2.8.15, ansible-engine 2.9.13
Show details on NVD website
To clipboard 

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CVE-2020-12046 (GCVE-0-2020-12046)

Vulnerability from cvelistv5 – Published: 2020-05-14 20:30 – Updated: 2024-08-04 11:48
VLAI
Summary
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not verified upon firmware update. This allows an attacker to replace legitimate firmware files with malicious files.
Severity
No CVSS data available.
CWE
  • CWE-347 - IMPROPER VERIFICATION OF CRYPTOGRAPHIC SIGNATURE CWE-347
Assigner
References
Impacted products
Vendor Product Version
n/a Opto 22 SoftPAC Project Affected: SoftPAC Project Version 9.6 and prior
Show details on NVD website
To clipboard 

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CVE-2020-12042 (GCVE-0-2020-12042)

Vulnerability from cvelistv5 – Published: 2020-05-14 20:28 – Updated: 2024-08-04 11:48
VLAI
Summary
Opto 22 SoftPAC Project Version 9.6 and prior. Paths specified within the zip files used to update the SoftPAC firmware are not sanitized. As a result, an attacker with user privileges can gain arbitrary file write access with system access.
Severity
No CVSS data available.
CWE
  • CWE-347 - IMPROPER VERIFICATION OF CRYPTOGRAPHIC SIGNATURE CWE-347
Assigner
References
Impacted products
Vendor Product Version
n/a Opto 22 SoftPAC Project Affected: SoftPAC Project Version 9.6 and prior
Show details on NVD website
To clipboard 

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CVE-2020-11093 (GCVE-0-2020-11093)

Vulnerability from cvelistv5 – Published: 2020-12-24 20:05 – Updated: 2024-08-04 11:21
VLAI
Title
Authorization bypass in Hyperledger Indy
Summary
Hyperledger Indy Node is the server portion of a distributed ledger purpose-built for decentralized identity. In Hyperledger Indy before version 1.12.4, there is lack of signature verification on a specific transaction which enables an attacker to make certain unauthorized alterations to the ledger. Updating a DID with a nym transaction will be written to the ledger if neither ROLE or VERKEY are being changed, regardless of sender. A malicious DID with no particular role can ask an update for another DID (but cannot modify its verkey or role). This is bad because 1) Any DID can write a nym transaction to the ledger (i.e., any DID can spam the ledger with nym transactions), 2) Any DID can change any other DID's alias, 3) The update transaction modifies the ledger metadata associated with a DID.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
hyperledger indy-node Affected: < 1.12.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-10759 (GCVE-0-2020-10759)

Vulnerability from cvelistv5 – Published: 2020-09-15 18:37 – Updated: 2024-08-04 11:14
VLAI
Summary
A PGP signature bypass flaw was found in fwupd (all versions), which could lead to the installation of unsigned firmware. As per upstream, a signature bypass is theoretically possible, but not practical because the Linux Vendor Firmware Service (LVFS) is either not implemented or enabled in versions of fwupd shipped with Red Hat Enterprise Linux 7 and 8. The highest threat from this vulnerability is to confidentiality and integrity.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a fwupd Affected: all verions of fwupd
Show details on NVD website
To clipboard 

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CVE-2020-10608 (GCVE-0-2020-10608)

Vulnerability from cvelistv5 – Published: 2020-07-24 22:46 – Updated: 2024-08-04 11:06
VLAI
Summary
In OSIsoft PI System multiple products and versions, a local attacker can plant a binary and bypass a code integrity check for loading PI System libraries. This exploitation can target another local user of PI System software on the computer to escalate privilege and result in unauthorized information disclosure, deletion, or modification.
Severity
No CVSS data available.
CWE
  • CWE-347 - IMPROPER VERIFICATION OF CRYPTOGRAPHIC SIGNATURE CWE-347
Assigner
References
Impacted products
Vendor Product Version
n/a OSIsoft PI System multiple products and versions Affected: OSIsoft PI System multiple products and versions
Show details on NVD website
To clipboard 

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CVE-2020-9753 (GCVE-0-2020-9753)

Vulnerability from cvelistv5 – Published: 2020-05-20 02:25 – Updated: 2024-08-04 10:43
VLAI
Summary
Whale Browser Installer before 1.2.0.5 versions don't support signature verification for Flash installer.
Severity
No CVSS data available.
CWE
Assigner
References
URL Tags
https://cve.naver.com/detail/cve-2020-9753 x_refsource_CONFIRM
Impacted products
Vendor Product Version
NAVER Corporation Whale Browser Installer Affected: unspecified , < 1.2.0.5 (custom)
Create a notification for this product.
Credits
Min Jang, skensita@gmail.com
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-463: Padding Oracle Crypto Attack

An adversary is able to efficiently decrypt data without knowing the decryption key if a target system leaks data on whether or not a padding error happened while decrypting the ciphertext. A target system that leaks this type of information becomes the padding oracle and an adversary is able to make use of that oracle to efficiently decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). In addition to performing decryption, an adversary is also able to produce valid ciphertexts (i.e., perform encryption) by using the padding oracle, all without knowing the encryption key.

CAPEC-475: Signature Spoofing by Improper Validation

An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.

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