CWE-347
Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
CVE-2020-26244 (GCVE-0-2020-26244)
Vulnerability from cvelistv5 – Published: 2020-12-02 20:05 – Updated: 2024-08-04 15:56
VLAI
Title
Cryptographic issues in Python oic
Summary
Python oic is a Python OpenID Connect implementation. In Python oic before version 1.2.1, there are several related cryptographic issues affecting client implementations that use the library. The issues are: 1) The IdToken signature algorithm was not checked automatically, but only if the expected algorithm was passed in as a kwarg. 2) JWA `none` algorithm was allowed in all flows. 3) oic.consumer.Consumer.parse_authz returns an unverified IdToken. The verification of the token was left to the discretion of the implementator. 4) iat claim was not checked for sanity (i.e. it could be in the future). These issues are patched in version 1.2.1.
Severity
6.8 (Medium)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenIDC/pyoidc/security/adviso… | x_refsource_CONFIRM |
| https://pypi.org/project/oic/ | x_refsource_MISC |
| https://github.com/OpenIDC/pyoidc/commit/62f8d753… | x_refsource_MISC |
| https://github.com/OpenIDC/pyoidc/releases/tag/1.2.1 | x_refsource_MISC |
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CVE-2020-26290 (GCVE-0-2020-26290)
Vulnerability from cvelistv5 – Published: 2020-12-28 19:15 – Updated: 2024-08-04 15:56
VLAI
Title
Critical security issues in XML encoding in Dex
Summary
Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilities enables potential signature bypass due to issues with XML encoding in the underlying Go library. The vulnerabilities have been addressed in version 2.27.0 by using the xml-roundtrip-validator from Mattermost (see related references).
Severity
9.3 (Critical)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/mattermost/xml-roundtrip-valid… | x_refsource_MISC |
| https://github.com/mattermost/xml-roundtrip-valid… | x_refsource_MISC |
| https://github.com/mattermost/xml-roundtrip-valid… | x_refsource_MISC |
| https://mattermost.com/blog/coordinated-disclosur… | x_refsource_MISC |
| https://github.com/dexidp/dex/security/advisories… | x_refsource_CONFIRM |
| https://github.com/russellhaering/goxmldsig/secur… | x_refsource_MISC |
| https://github.com/dexidp/dex/commit/324b1c886b40… | x_refsource_MISC |
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CVE-2020-3138 (GCVE-0-2020-3138)
Vulnerability from cvelistv5 – Published: 2020-02-19 19:15 – Updated: 2024-11-15 17:40
VLAI
Title
Cisco Enterprise NFV Infrastructure Software Remote Code Execution Vulnerability
Summary
A vulnerability in the upgrade component of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to install a malicious file when upgrading. The vulnerability is due to insufficient signature validation. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to upload crafted code to the affected device.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Date Public
2020-02-19 00:00
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CVE-2020-3209 (GCVE-0-2020-3209)
Vulnerability from cvelistv5 – Published: 2020-06-03 17:40 – Updated: 2024-11-15 17:18
VLAI
Title
Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability
Summary
A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to install and boot a malicious software image or execute unsigned binaries on the targeted device.
Severity
6.8 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XE Software 3.2.0SG |
Affected:
n/a
|
Date Public
2020-06-03 00:00
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CVE-2020-3308 (GCVE-0-2020-3308)
Vulnerability from cvelistv5 – Published: 2020-05-06 16:50 – Updated: 2024-11-15 17:22
VLAI
Title
Cisco Firepower Threat Defense Software Signature Verification Bypass Vulnerability
Summary
A vulnerability in the Image Signature Verification feature of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.
Severity
4.9 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Firepower Threat Defense Software |
Affected:
n/a
|
Date Public
2020-05-06 00:00
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CVE-2020-35169 (GCVE-0-2020-35169)
Vulnerability from cvelistv5 – Published: 2022-07-11 19:26 – Updated: 2024-09-16 17:37
VLAI
Summary
Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2, contain an Improper Input Validation Vulnerability.
Severity
9.1 (Critical)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00018111… | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Dell BSAFE Crypto-C Micro Edition |
Affected:
unspecified , < 4.1.5 and 4.6
(custom)
|
Date Public
2020-07-06 00:00
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CVE-2020-36843 (GCVE-0-2020-36843)
Vulnerability from cvelistv5 – Published: 2025-03-13 00:00 – Updated: 2025-03-18 16:22
VLAI
Summary
The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability under Chosen Message Attacks) property. This allows attackers to create new valid signatures different from previous signatures for a known message.
Severity
4.3 (Medium)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| str4d | ed25519-java |
Affected:
0 , ≤ 0.3.0
(semver)
|
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CVE-2020-5407 (GCVE-0-2020-5407)
Vulnerability from cvelistv5 – Published: 2020-05-13 17:00 – Updated: 2024-09-16 23:56
VLAI
Title
Signature Wrapping Vulnerability with spring-security-saml2-service-provider
Summary
Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an arbitrary assertion that Spring Security will accept as valid.
Severity
No CVSS data available.
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/r73af928cf64… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/rd99601fbca5… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/ra19a4e72368… | mailing-listx_refsource_MLIST |
| https://www.oracle.com/security-alerts/cpuoct2020.html | x_refsource_MISC |
| https://tanzu.vmware.com/security/cve-2020-5407 | x_refsource_CONFIRM |
| https://www.oracle.com/security-alerts/cpujan2021.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuApr2021.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Spring by VMware | Spring Security |
Affected:
5.2 , < 5.2.4
(custom)
Affected: 5.3 , < 5.3.2 (custom) |
Date Public
2020-05-13 00:00
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CVE-2020-8324 (GCVE-0-2020-8324)
Vulnerability from cvelistv5 – Published: 2020-04-14 21:05 – Updated: 2024-09-16 18:44
VLAI
Summary
A vulnerability was reported in LenovoAppScenarioPluginSystem for Lenovo System Interface Foundation prior to version 1.2.184.31 that could allow unsigned DLL files to be executed.
Severity
5 (Medium)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.lenovo.com/us/en/product_security… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lenovo | LenovoAppScenarioPluginSystem for Lenovo System Interface Foundation |
Affected:
unspecified , < 1.2.184.31
(custom)
|
Date Public
2020-04-14 00:00
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CVE-2020-9047 (GCVE-0-2020-9047)
Vulnerability from cvelistv5 – Published: 2020-06-26 18:01 – Updated: 2024-08-04 10:19
VLAI
Title
exacqVision Software - Improper Verification of Cryptographic Signature
Summary
A vulnerability exists that could allow the execution of unauthorized code or operating system commands on systems running exacqVision Web Service versions 20.06.3.0 and prior and exacqVision Enterprise Manager versions 20.06.4.0 and prior. An attacker with administrative privileges could potentially download and run a malicious executable that could allow OS command injection on the system.
Severity
6.8 (Medium)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.us-cert.gov/ics/advisories/ICSA-20-170-01 | third-party-advisoryx_refsource_CERT |
| https://www.johnsoncontrols.com/cyber-solutions/s… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Johnson Controls | exacqVision Web Service versions 20.03.2.0 and prior |
Affected:
unspecified , ≤ 20.03.2.0
(custom)
|
|
| Johnson Controls | exacqVision Enterprise Manager versions 20.03.3.0 and prior |
Affected:
unspecified , ≤ 20.03.3.0
(custom)
|
Credits
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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.