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CVE-2024-0727

Status Candidate

Overview

Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from untrusted sources might terminate abruptly. A file in PKCS12 format can contain certificates and keys and may come from an untrusted source. The PKCS12 specification allows certain fields to be NULL, but OpenSSL does not correctly check for this case. This can lead to a NULL pointer dereference that results in OpenSSL crashing. If an application processes PKCS12 files from an untrusted source using the OpenSSL APIs then that application will be vulnerable to this issue. OpenSSL APIs that are vulnerable to this are: PKCS12_parse(), PKCS12_unpack_p7data(), PKCS12_unpack_p7encdata(), PKCS12_unpack_authsafes() and PKCS12_newpass(). We have also fixed a similar issue in SMIME_write_PKCS7(). However since this function is related to writing data we do not consider it security significant. The FIPS modules in 3.2, 3.1 and 3.0 are not affected by this issue.

Related Files

Ubuntu Security Notice USN-6709-1
Posted Mar 22, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6709-1 - It was discovered that checking excessively long DH keys or parameters may be very slow. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service. After the fix for CVE-2023-3446 Bernd Edlinger discovered that a large q parameter value can also trigger an overly long computation during some of these checks. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2023-3446, CVE-2023-3817, CVE-2023-5678, CVE-2024-0727
SHA-256 | a3c85443f6ce0636dc4acc75b294ee38bc75374485acad341a73a787d547a0cb
Ubuntu Security Notice USN-6632-1
Posted Feb 13, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6632-1 - David Benjamin discovered that OpenSSL incorrectly handled excessively long X9.42 DH keys. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, leading to a denial of service. Bahaa Naamneh discovered that OpenSSL incorrectly handled certain malformed PKCS12 files. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2023-5678, CVE-2024-0727
SHA-256 | 3abb323919f13a3d84d1a0cd64fcc14e25be794245741c0876d6749101772303
Ubuntu Security Notice USN-6622-1
Posted Feb 5, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6622-1 - David Benjamin discovered that OpenSSL incorrectly handled excessively long X9.42 DH keys. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, leading to a denial of service. Sverker Eriksson discovered that OpenSSL incorrectly handled POLY1304 MAC on the PowerPC architecture. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-5678, CVE-2023-6129, CVE-2023-6237, CVE-2024-0727
SHA-256 | ff69da46815898e29a74d2a9b2e923d655291a8edb80d059ecf7a44b3dc0eeb1
OpenSSL Toolkit 3.2.1
Posted Jan 31, 2024
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer and Transport Layer Security protocols with full-strength cryptography world-wide. The latest stable version is the 3.2 series supported until 23rd November 2025.

Changes: 5 security issues have been addressed.
tags | tool, encryption, protocol
systems | unix
advisories | CVE-2023-5678, CVE-2023-6129, CVE-2023-6237, CVE-2024-0727
SHA-256 | 83c7329fe52c850677d75e5d0b0ca245309b97e8ecbcfdc1dfdc4ab9fac35b39
OpenSSL Toolkit 3.1.5
Posted Jan 31, 2024
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer and Transport Layer Security protocols with full-strength cryptography world-wide. The 3.1 series is supported until 14th March 2025.

Changes: 5 security issues have been addressed.
tags | tool, encryption, protocol
systems | unix
advisories | CVE-2023-5678, CVE-2023-6129, CVE-2023-6237, CVE-2024-0727
SHA-256 | 6ae015467dabf0469b139ada93319327be24b98251ffaeceda0221848dc09262
OpenSSL Toolkit 3.0.13
Posted Jan 31, 2024
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer and Transport Layer Security protocols with full-strength cryptography world-wide. The 3.0 series is a Long Term Support (LTS) version and is supported until 7th September 2026.

Changes: 5 security issues have been addressed.
tags | tool, encryption, protocol
systems | unix
advisories | CVE-2023-5678, CVE-2023-6129, CVE-2023-6237, CVE-2024-0727
SHA-256 | 88525753f79d3bec27d2fa7c66aa0b92b3aa9498dafd93d7cfa4b3780cdae313
OpenSSL Security Advisory 20240125
Posted Jan 25, 2024
Site openssl.org

OpenSSL Security Advisory 20240125 - Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack

tags | advisory, denial of service
advisories | CVE-2024-0727
SHA-256 | 122bc2210b0d7b2b8983382412d0e712d4d63cfd3b44a579f3f8053a9415b2a2
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