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CVE-2022-3358

Status Candidate

Overview

OpenSSL supports creating a custom cipher via the legacy EVP_CIPHER_meth_new() function and associated function calls. This function was deprecated in OpenSSL 3.0 and application authors are instead encouraged to use the new provider mechanism in order to implement custom ciphers. OpenSSL versions 3.0.0 to 3.0.5 incorrectly handle legacy custom ciphers passed to the EVP_EncryptInit_ex2(), EVP_DecryptInit_ex2() and EVP_CipherInit_ex2() functions (as well as other similarly named encryption and decryption initialisation functions). Instead of using the custom cipher directly it incorrectly tries to fetch an equivalent cipher from the available providers. An equivalent cipher is found based on the NID passed to EVP_CIPHER_meth_new(). This NID is supposed to represent the unique NID for a given cipher. However it is possible for an application to incorrectly pass NID_undef as this value in the call to EVP_CIPHER_meth_new(). When NID_undef is used in this way the OpenSSL encryption/decryption initialisation function will match the NULL cipher as being equivalent and will fetch this from the available providers. This will succeed if the default provider has been loaded (or if a third party provider has been loaded that offers this cipher). Using the NULL cipher means that the plaintext is emitted as the ciphertext. Applications are only affected by this issue if they call EVP_CIPHER_meth_new() using NID_undef and subsequently use it in a call to an encryption/decryption initialisation function. Applications that only use SSL/TLS are not impacted by this issue. Fixed in OpenSSL 3.0.6 (Affected 3.0.0-3.0.5).

Related Files

Gentoo Linux Security Advisory 202402-08
Posted Feb 5, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202402-8 - Multiple vulnerabilities have been found in OpenSSL, the worst of which could result in denial of service. Versions greater than or equal to 3.0.10 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2022-3358, CVE-2022-4203, CVE-2022-4304, CVE-2022-4450, CVE-2023-0215, CVE-2023-0216, CVE-2023-0217, CVE-2023-0286, CVE-2023-0401, CVE-2023-0464, CVE-2023-0465, CVE-2023-0466, CVE-2023-2650, CVE-2023-2975
SHA-256 | 21ad378435b07083191f0c5fc69298cd031080be76d8665f35aae2aacebb11f1
Red Hat Security Advisory 2023-2523-01
Posted May 9, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2523-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2022-3358
SHA-256 | a38054500f0f85b52a32342a0c3b27d54daf867bd1ce81d3431d3b917caefe17
Ubuntu Security Notice USN-5710-1
Posted Nov 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5710-1 - It was discovered that OpenSSL incorrectly handled certain X.509 Email Addresses. If a certificate authority were tricked into signing a specially-crafted certificate, a remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. The default compiler options for affected releases reduce the vulnerability to a denial of service. It was discovered that OpenSSL incorrectly handled applications creating custom ciphers via the legacy EVP_CIPHER_meth_new function. This issue could cause certain applications that mishandled values to the function to possibly end up with a NULL cipher and messages in plaintext.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-3358
SHA-256 | 7b62b4888702cab45aeeaeff8c5ec0500b30513d208729751998d56e5717a938
OpenSSL Security Advisory 20221011
Posted Oct 11, 2022
Site openssl.org

OpenSSL Security Advisory 20221011 - OpenSSL supports creating a custom cipher via the legacy EVP_CIPHER_meth_new() function and associated function calls. This function was deprecated in OpenSSL 3.0 and application authors are instead encouraged to use the new provider mechanism in order to implement custom ciphers.

tags | advisory
advisories | CVE-2022-3358
SHA-256 | aadb390fbd7e2bcc00d540add897aa39dfdb2d092990e9cefb0734a56be6270e
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