OpenSSL SSLv2 Null Pointer Dereference Client DoS
Severity: MEDIUM
CVE Identifier: CVE-2006-4343
Advisory Date: JUL 21, 2015
DESCRIPTION
The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remote servers to cause a denial of service (client crash) via unknown vectors that trigger a null pointer dereference.
TREND MICRO PROTECTION INFORMATION
This vulnerability is addressed in the following product releases:
OpenSSL Project, OpenSSL, 0.9.7l (or later)
OpenSSL Project, OpenSSL, 0.9.8d (or later)
SOLUTION
Trend Micro Deep Security DPI Rule Number: 1001262
Trend Micro Deep Security DPI Rule Name: 1001262 - OpenSSL SSLv2 Null Pointer Dereference Client DoS
AFFECTED SOFTWARE AND VERSION
- OpenSSL Project OpenSSL 0.9.7
- OpenSSL Project OpenSSL 0.9.7a
- OpenSSL Project OpenSSL 0.9.7b
- OpenSSL Project OpenSSL 0.9.7c
- OpenSSL Project OpenSSL 0.9.7d
- OpenSSL Project OpenSSL 0.9.7e
- OpenSSL Project OpenSSL 0.9.7f
- OpenSSL Project OpenSSL 0.9.7g
- OpenSSL Project OpenSSL 0.9.7h
- OpenSSL Project OpenSSL 0.9.7i
- OpenSSL Project OpenSSL 0.9.7j
- OpenSSL Project OpenSSL 0.9.7k
- OpenSSL Project OpenSSL 0.9.8
- OpenSSL Project OpenSSL 0.9.8a
- OpenSSL Project OpenSSL 0.9.8b
- OpenSSL Project OpenSSL 0.9.8c
Featured Stories
The Mirage of AI Programming: Hallucinations and Code IntegrityThe adoption of large language models (LLMs) and Generative Pre-trained Transformers (GPTs), such as ChatGPT, by leading firms like Microsoft, Nuance, Mix and Google CCAI Insights, drives the industry towards a series of transformative changes. As the use of these new technologies becomes prevalent, it is important to understand their key behavior, advantages, and the risks they present.Read more
Open RAN: Attack of the xAppsThis article discusses two O-RAN vulnerabilities that attackers can exploit. One vulnerability stems from insufficient access control, and the other arises from faulty message handlingRead more
A Closer Exploration of Residential Proxies and CAPTCHA-Breaking ServicesThis article, the final part of a two-part series, focuses on the details of our technical findings and analyses of select residential proxies and CAPTCHA-solving services.Read more
How Residential Proxies and CAPTCHA-Solving Services Become Agents of AbuseThis article, the first of a two-part series, provides insights on how abusers and cybercriminals use residential proxies and CAPTCHA-solving services to enable bots, scrapers, and stuffers, and proposes security countermeasures for organizations.Read more