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ID de Prueba: | 1.3.6.1.4.1.25623.1.1.2.2021.2417 |
Categoría: | Huawei EulerOS Local Security Checks |
Título: | Huawei EulerOS: Security Advisory for openssl098e (EulerOS-SA-2021-2417) |
Resumen: | The remote host is missing an update for the Huawei EulerOS 'openssl098e' package(s) announced via the EulerOS-SA-2021-2417 advisory. |
Descripción: | Summary: The remote host is missing an update for the Huawei EulerOS 'openssl098e' package(s) announced via the EulerOS-SA-2021-2417 advisory. Vulnerability Insight: Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissible length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash.(CVE-2021-23840) The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based on the issuer and serial number data contained within an X509 certificate. However it fails to correctly handle any errors that may occur while parsing the issuer field (which might occur if the issuer field is maliciously constructed). This may subsequently result in a NULL pointer deref and a crash leading to a potential denial of service attack. The function X509_issuer_and_serial_hash() is never directly called by OpenSSL itself so applications are only vulnerable if they use this function directly and they use it on certificates that may have been obtained from untrusted sources.(CVE-2021-23841) Affected Software/OS: 'openssl098e' package(s) on Huawei EulerOS V2.0SP2. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P |
Referencia Cruzada: |
Common Vulnerability Exposure (CVE) ID: CVE-2021-23840 Common Vulnerability Exposure (CVE) ID: CVE-2021-23841 |
Copyright | Copyright (C) 2021 Greenbone Networks GmbH |
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