A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.9 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | 2.2 | 3.6 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-385,NVD-CWE-Other,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| m2crypto_project | m2crypto | * |
| fedoraproject | fedora | 33 |
| redhat | virtualization | 4.0 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux | 6.0 |
A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| secalert@redhat.com | 5.9 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | 2.2 | 3.6 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| redhat | enterprise_linux | 9.0 |
| redhat | update_infrastructure | 4 |
| m2crypto_project | m2crypto | - |
| redhat | enterprise_linux | 8.0 |