CWE-327
Use of a Broken or Risky Cryptographic Algorithm
The product uses a broken or risky cryptographic algorithm or protocol.
CVE-2020-8911 (GCVE-0-2020-8911)
Vulnerability from cvelistv5 – Published: 2020-08-11 19:20 – Updated: 2024-08-04 10:12
VLAI
Title
CBC padding oracle in AWS S3 Crypto SDK for GoLang
Summary
A padding oracle vulnerability exists in the AWS S3 Crypto SDK for GoLang versions prior to V2. The SDK allows users to encrypt files with AES-CBC without computing a Message Authentication Code (MAC), which then allows an attacker who has write access to the target's S3 bucket and can observe whether or not an endpoint with access to the key can decrypt a file, they can reconstruct the plaintext with (on average) 128*length (plaintext) queries to the endpoint, by exploiting CBC's ability to manipulate the bytes of the next block and PKCS5 padding errors. It is recommended to update your SDK to V2 or later, and re-encrypt your files.
Severity
5.6 (Medium)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://aws.amazon.com/blogs/developer/updates-to… | x_refsource_CONFIRM |
| https://github.com/google/security-research/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | AWS S3 Crypto SDK for GoLang |
Affected:
stable , ≤ V1
(custom)
|
Credits
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CVE-2020-8912 (GCVE-0-2020-8912)
Vulnerability from cvelistv5 – Published: 2020-08-11 19:20 – Updated: 2024-08-04 10:12
VLAI
Title
In-band key negotiation issue in AWS S3 Crypto SDK for GoLang
Summary
A vulnerability in the in-band key negotiation exists in the AWS S3 Crypto SDK for GoLang versions prior to V2. An attacker with write access to the targeted bucket can change the encryption algorithm of an object in the bucket, which can then allow them to change AES-GCM to AES-CTR. Using this in combination with a decryption oracle can reveal the authentication key used by AES-GCM as decrypting the GMAC tag leaves the authentication key recoverable as an algebraic equation. It is recommended to update your SDK to V2 or later, and re-encrypt your files.
Severity
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://aws.amazon.com/blogs/developer/updates-to… | x_refsource_CONFIRM |
| https://github.com/google/security-research/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | AWS S3 Crypto SDK for GoLang |
Affected:
stable , ≤ V1
(custom)
|
Credits
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CVE-2021-20305 (GCVE-0-2021-20305)
Vulnerability from cvelistv5 – Published: 2021-04-05 21:31 – Updated: 2024-08-03 17:37
VLAI
Summary
A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point (ECC) multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an invalid signature, causing an assertion failure or possible validation. The highest threat to this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1942533 | x_refsource_MISC |
| https://security.gentoo.org/glsa/202105-31 | vendor-advisoryx_refsource_GENTOO |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2021/dsa-4933 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2021102… | x_refsource_CONFIRM |
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CVE-2021-22738 (GCVE-0-2021-22738)
Vulnerability from cvelistv5 – Published: 2021-05-26 19:19 – Updated: 2024-08-03 18:51
VLAI
Summary
Use of a Broken or Risky Cryptographic Algorithm vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access when credentials are discovered after a brute force attack.
Severity
No CVSS data available.
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://download.schneider-electric.com/files?p_D… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior |
Affected:
homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior
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CVE-2021-27784 (GCVE-0-2021-27784)
Vulnerability from cvelistv5 – Published: 2022-10-31 22:05 – Updated: 2025-05-02 17:39
VLAI
Title
HCL Launch container images may contain non-unique https certificates and database encryption key
Summary
The provided HCL Launch Container images contain non-unique HTTPS certificates and a database encryption key. The fix provides directions and tools to replace the non-unique keys and certificates. This does not affect the standard installer packages.
Severity
5.9 (Medium)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HCL Software | HCL Launch |
Affected:
7.0.0.0 - 7.0.52; 7.1.0.0 - 7.1.0.1.ifix01; 7.2.0.0 - 7.2.3.0
|
Date Public
2022-10-19 00:00
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CVE-2021-27795 (GCVE-0-2021-27795)
Vulnerability from cvelistv5 – Published: 2023-12-06 01:16 – Updated: 2024-08-03 21:33
VLAI
Title
License forgery in Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software,
Summary
Brocade Fabric OS (FOS) hardware
platforms running any version of Brocade Fabric OS software, which
supports the license string format; contain cryptographic
issues that could allow for the installation of forged or fraudulent
license keys. This would allow attackers or a malicious party to forge a
counterfeit license key that the Brocade Fabric OS platform would
authenticate and activate as if it were a legitimate license key.
Severity
6.4 (Medium)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Brocade | Brocade Switches |
Affected:
All Version
|
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CVE-2021-27913 (GCVE-0-2021-27913)
Vulnerability from cvelistv5 – Published: 2021-08-30 15:55 – Updated: 2024-09-16 18:08
VLAI
Title
Use of a Broken or Risky Cryptographic Algorithm
Summary
The function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control This issue affects: Mautic Mautic versions prior to 3.3.4; versions prior to 4.0.0.
Severity
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/mautic/mautic/security/advisor… | x_refsource_MISC |
Impacted products
Date Public
2021-08-30 00:00
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CVE-2021-31562 (GCVE-0-2021-31562)
Vulnerability from cvelistv5 – Published: 2022-01-21 18:17 – Updated: 2025-04-16 16:47
VLAI
Title
Fresenius Kabi Agilia Connect Infusion System use of a broken or risky cryptographic algorithm
Summary
The SSL/TLS configuration of Fresenius Kabi Agilia Link + version 3.0 has serious deficiencies that may allow an attacker to compromise SSL/TLS sessions in different ways. An attacker may be able to eavesdrop on transferred data, manipulate data allegedly secured by SSL/TLS, and impersonate an entity to gain access to sensitive information.
Severity
6.5 (Medium)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsma-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fresenius Kabi | Agilia Link+ |
Affected:
unspecified , < 3.0
(custom)
|
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CVE-2021-33018 (GCVE-0-2021-33018)
Vulnerability from cvelistv5 – Published: 2022-04-01 22:17 – Updated: 2025-04-16 17:58
VLAI
Title
Philips Vue PACS Use of a Broken or Risky Cryptographic Algorithm
Summary
The use of a broken or risky cryptographic algorithm in Philips Vue PACS versions 12.2.x.x and prior is an unnecessary risk that may result in the exposure of sensitive information.
Severity
7.5 (High)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsma-… | x_refsource_CONFIRM |
| http://www.philips.com/productsecurity | x_refsource_CONFIRM |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Philips | Vue PACS |
Affected:
unspecified , ≤ 12.2.x.x
(custom)
|
|
| Philips | Vue MyVue |
Affected:
unspecified , ≤ 12.2.x.x
(custom)
|
|
| Philips | Vue Speech |
Affected:
unspecified , ≤ 12.2.x.x
(custom)
|
|
| Philips | Vue Motion |
Affected:
unspecified , ≤ 12.2.1.5
(custom)
|
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CVE-2021-33846 (GCVE-0-2021-33846)
Vulnerability from cvelistv5 – Published: 2022-01-21 18:17 – Updated: 2025-04-16 18:01
VLAI
Title
Fresenius Kabi Agilia Connect Infusion System use of a broken or risky cryptographic algorithm
Summary
Fresenius Kabi Vigilant Software Suite (Mastermed Dashboard) version 2.0.1.3 issues authentication tokens to authenticated users that are signed with a symmetric encryption key. An attacker in possession of the key can issue valid JWTs and impersonate arbitrary users.
Severity
5.9 (Medium)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsma-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fresenius Kabi | Vigilant Software Suite (Mastermed Dashboard) |
Affected:
unspecified , < 2.0.1.3
(custom)
|
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Mitigation ID: MIT-24
Phase: Architecture and Design
Strategy: Libraries or Frameworks
Description:
- When there is a need to store or transmit sensitive data, use strong, up-to-date cryptographic algorithms to encrypt that data. Select a well-vetted algorithm that is currently considered to be strong by experts in the field, and use well-tested implementations. As with all cryptographic mechanisms, the source code should be available for analysis.
- For example, US government systems require FIPS 140-2 certification [REF-1192].
- Do not develop custom or private cryptographic algorithms. They will likely be exposed to attacks that are well-understood by cryptographers. Reverse engineering techniques are mature. If the algorithm can be compromised if attackers find out how it works, then it is especially weak.
- Periodically ensure that the cryptography has not become obsolete. Some older algorithms, once thought to require a billion years of computing time, can now be broken in days or hours. This includes MD4, MD5, SHA1, DES, and other algorithms that were once regarded as strong. [REF-267]
Mitigation ID: MIT-52
Phase: Architecture and Design
Description:
- Ensure that the design allows one cryptographic algorithm to be replaced with another in the next generation or version. Where possible, use wrappers to make the interfaces uniform. This will make it easier to upgrade to stronger algorithms. With hardware, design the product at the Intellectual Property (IP) level so that one cryptographic algorithm can be replaced with another in the next generation of the hardware product.
Mitigation
Phase: Architecture and Design
Description:
- Carefully manage and protect cryptographic keys (see CWE-320). If the keys can be guessed or stolen, then the strength of the cryptography itself is irrelevant.
Mitigation ID: MIT-4
Phase: Architecture and Design
Strategy: Libraries or Frameworks
Description:
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
- Industry-standard implementations will save development time and may be more likely to avoid errors that can occur during implementation of cryptographic algorithms. Consider the ESAPI Encryption feature.
Mitigation ID: MIT-25
Phases: Implementation, Architecture and Design
Description:
- When using industry-approved techniques, use them correctly. Don't cut corners by skipping resource-intensive steps (CWE-325). These steps are often essential for preventing common attacks.
CAPEC-20: Encryption Brute Forcing
An attacker, armed with the cipher text and the encryption algorithm used, performs an exhaustive (brute force) search on the key space to determine the key that decrypts the cipher text to obtain the plaintext.
CAPEC-459: Creating a Rogue Certification Authority Certificate
An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
CAPEC-473: Signature Spoof
An attacker generates a message or datablock that causes the recipient to believe that the message or datablock was generated and cryptographically signed by an authoritative or reputable source, misleading a victim or victim operating system into performing malicious actions.
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.
CAPEC-608: Cryptanalysis of Cellular Encryption
The use of cryptanalytic techniques to derive cryptographic keys or otherwise effectively defeat cellular encryption to reveal traffic content. Some cellular encryption algorithms such as A5/1 and A5/2 (specified for GSM use) are known to be vulnerable to such attacks and commercial tools are available to execute these attacks and decrypt mobile phone conversations in real-time. Newer encryption algorithms in use by UMTS and LTE are stronger and currently believed to be less vulnerable to these types of attacks. Note, however, that an attacker with a Cellular Rogue Base Station can force the use of weak cellular encryption even by newer mobile devices.
CAPEC-614: Rooting SIM Cards
SIM cards are the de facto trust anchor of mobile devices worldwide. The cards protect the mobile identity of subscribers, associate devices with phone numbers, and increasingly store payment credentials, for example in NFC-enabled phones with mobile wallets. This attack leverages over-the-air (OTA) updates deployed via cryptographically-secured SMS messages to deliver executable code to the SIM. By cracking the DES key, an attacker can send properly signed binary SMS messages to a device, which are treated as Java applets and are executed on the SIM. These applets are allowed to send SMS, change voicemail numbers, and query the phone location, among many other predefined functions. These capabilities alone provide plenty of potential for abuse.
CAPEC-97: Cryptanalysis
Cryptanalysis is a process of finding weaknesses in cryptographic algorithms and using these weaknesses to decipher the ciphertext without knowing the secret key (instance deduction). Sometimes the weakness is not in the cryptographic algorithm itself, but rather in how it is applied that makes cryptanalysis successful. An attacker may have other goals as well, such as: Total Break (finding the secret key), Global Deduction (finding a functionally equivalent algorithm for encryption and decryption that does not require knowledge of the secret key), Information Deduction (gaining some information about plaintexts or ciphertexts that was not previously known) and Distinguishing Algorithm (the attacker has the ability to distinguish the output of the encryption (ciphertext) from a random permutation of bits).