Common Weakness Enumeration
CWE-327
Allowed-with-ReviewUse of a Broken or Risky Cryptographic Algorithm
Abstraction: Class · Status: Draft
The product uses a broken or risky cryptographic algorithm or protocol.
963 vulnerabilities reference this CWE, most recent first.
CVE-2020-27652 (GCVE-0-2020-27652)
Vulnerability from cvelistv5 – Published: 2020-10-29 09:00 – Updated: 2024-09-16 19:55
VLAI
EPSS
VEX
Summary
Algorithm downgrade vulnerability in QuickConnect in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.
Severity
8.3 (High)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-2
(custom)
|
Date Public
2020-10-29 00:00
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CVE-2020-25694 (GCVE-0-2020-25694)
Vulnerability from cvelistv5 – Published: 2020-11-16 00:38 – Updated: 2024-08-04 15:40
VLAI
EPSS
VEX
Summary
A flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before 9.6.20 and before 9.5.24. If a client application that creates additional database connections only reuses the basic connection parameters while dropping security-relevant parameters, an opportunity for a man-in-the-middle attack, or the ability to observe clear-text transmissions, could exist. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1894423 | x_refsource_MISC |
| https://www.postgresql.org/support/security/ | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2020120… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/202012-07 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | postgresql |
Affected:
All PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before 9.6.20 and before 9.5.24
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CVE-2020-25232 (GCVE-0-2020-25232)
Vulnerability from cvelistv5 – Published: 2020-12-14 21:05 – Updated: 2024-08-04 15:33
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Due to the usage of an insecure random number generation function and a deprecated cryptographic function, an attacker could extract the key that is used when communicating with an affected device on port 8080/tcp.
Severity
No CVSS data available.
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | LOGO! 8 BM (incl. SIPLUS variants) |
Affected:
All versions < V8.3
|
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CVE-2020-25230 (GCVE-0-2020-25230)
Vulnerability from cvelistv5 – Published: 2020-12-14 21:05 – Updated: 2024-08-04 15:33
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Due to the usage of an outdated cipher mode on port 10005/tcp, an attacker could extract the encryption key from a captured communication with the device.
Severity
No CVSS data available.
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | LOGO! 8 BM (incl. SIPLUS variants) |
Affected:
All versions < V8.3
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CVE-2020-11035 (GCVE-0-2020-11035)
Vulnerability from cvelistv5 – Published: 2020-05-05 21:30 – Updated: 2024-08-04 11:21
VLAI
EPSS
VEX
Title
weak CSRF tokens in GLPI
Summary
In GLPI after version 0.83.3 and before version 9.4.6, the CSRF tokens are generated using an insecure algorithm. The implementation uses rand and uniqid and MD5 which does not provide secure values. This is fixed in version 9.4.6.
Severity
7.5 (High)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/glpi-project/glpi/security/adv… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| glpi-project | GLPI |
Affected:
> 0.83.3, < 9.4.6
|
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CVE-2020-11031 (GCVE-0-2020-11031)
Vulnerability from cvelistv5 – Published: 2020-09-23 15:20 – Updated: 2024-08-04 11:21
VLAI
EPSS
VEX
Title
Insecure encryption algorithm in GLPI
Summary
In GLPI before version 9.5.0, the encryption algorithm used is insecure. The security of the data encrypted relies on the password used, if a user sets a weak/predictable password, an attacker could decrypt data. This is fixed in version 9.5.0 by using a more secure encryption library. The library chosen is sodium.
Severity
7.8 (High)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/glpi-project/glpi/security/adv… | x_refsource_CONFIRM |
| https://github.com/glpi-project/glpi/commit/f1ae6… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| glpi-project | GLPI |
Affected:
< 9.5.0
|
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CVE-2020-10927 (GCVE-0-2020-10927)
Vulnerability from cvelistv5 – Published: 2020-07-28 17:10 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the encryption of firmware update images. The issue results from the use of an inappropriate encryption algorithm. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-9649.
Severity
7.5 (High)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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
EPSS
VEX
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)
|
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CVE-2020-8911 (GCVE-0-2020-8911)
Vulnerability from cvelistv5 – Published: 2020-08-11 19:20 – Updated: 2024-08-04 10:12
VLAI
EPSS
VEX
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)
|
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CVE-2020-7514 (GCVE-0-2020-7514)
Vulnerability from cvelistv5 – Published: 2020-07-23 20:46 – Updated: 2024-08-04 09:33
VLAI
EPSS
VEX
Summary
A CWE-327: Use of a Broken or Risky Cryptographic Algorithm vulnerability exists in Easergy Builder (Version 1.4.7.2 and older) which could allow an attacker access to the authorization credentials for a device and gain full access.
Severity
No CVSS data available.
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Easergy Builder (Version 1.4.7.2 and older) |
Affected:
Easergy Builder (Version 1.4.7.2 and older)
|
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Mitigation MIT-24
Architecture and Design
Strategy: Libraries or Frameworks
- 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 MIT-52
Architecture and Design
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
Architecture and Design
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 MIT-4
Architecture and Design
Strategy: Libraries or Frameworks
- 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 MIT-25
Implementation
Architecture and Design
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).