OpenSSL ChangeCipherSpec DTLS报文拒绝服务漏洞

BUGTRAQ ID: 35174 CVECAN ID: CVE-2009-1386 OpenSSL是一种开放源码的SSL实现，用来实现网络通信的高强度加密，现在被广泛地用于各种网络应用程序中。 如果在ClientHello报文之前发送了DTLS ChangeCipherSpec报文，就可能在OpenSSL的ssl/s3pkt.c文件中触发空指针引用，导致拒绝服务的情况。 OpenSSL 0.9.8i 厂商补丁： OpenSSL Project --------------- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：...

OpenSSL < 0.9.8i DTLS ChangeCipherSpec Remote DoS Exploit

No description provided by source. / cve-2009-1386.c OpenSSL 0.9.8i DTLS ChangeCipherSpec Remote DoS Jon Oberheide [email protected] http://jon.oberheide.org Information: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1386 OpenSSL would SegFault if the DTLS server receives a...

Null pointer dereference

The dtls1retrievebufferedfragment function in ssl/d1both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via an out-of-sequence DTLS handshake message, related to a "fragment bug."...

CVE-2009-1386

ssl/s3pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a DTLS ChangeCipherSpec packet that occurs before ClientHello...

DEBIAN-CVE-2009-1386

ssl/s3pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a DTLS ChangeCipherSpec packet that occurs before ClientHello...

CVE-2009-1387

The dtls1retrievebufferedfragment function in ssl/d1both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via an out-of-sequence DTLS handshake message, related to a "fragment bug."...

CVE-2009-1387

The dtls1retrievebufferedfragment function in ssl/d1both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via an out-of-sequence DTLS handshake message, related to a "fragment bug."...

CVE-2009-1386

ssl/s3pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a DTLS ChangeCipherSpec packet that occurs before ClientHello...

Null pointer dereference

ssl/s3pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a DTLS ChangeCipherSpec packet that occurs before ClientHello...

DEBIAN-CVE-2009-1387

The dtls1retrievebufferedfragment function in ssl/d1both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via an out-of-sequence DTLS handshake message, related to a "fragment bug."...

CVE-2009-1387

CVE-2009-1387 affects the OpenSSL DTLS implementation. The vulnerability resides in the function dtls1_retrieve_buffered_fragment (ssl/d1_both.c) in OpenSSL before 1.0.0 Beta 2, where an out-of-sequence DTLS handshake message can trigger a NULL pointer dereference and daemon crash, i.e., a denial...

CVE-2009-1387

The dtls1retrievebufferedfragment function in ssl/d1both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via an out-of-sequence DTLS handshake message, related to a "fragment bug."...

CVE-2009-1386

CVE-2009-1386 affects OpenSSL’s DTLS implementation: ssl/s3_pkt.c in OpenSSL versions before 0.9.8i allows a remote attacker to cause a denial of service via a ChangeCipherSpec datagram sent before ClientHello, causing a NULL pointer dereference and daemon crash. Public details place the vulnerab...

OpenSSL < 0.9.8i DTLS ChangeCipherSpec Remote DoS Exploit

Exploit for multiple platform in category dos / poc ========================================================= OpenSSL include include include include include include include include include int mainint argc, char argv int sock, ret; char ptr, err; struct hostent h; struct sockaddrin target; char...

OpenSSL 0.9.8i - DTLS ChangeCipherSpec Remote Denial of Service

OpenSSL 0.9.8i - DTLS ChangeCipherSpec Remote Denial of Service / cve-2009-1386.c OpenSSL http://jon.oberheide.org Information: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1386 OpenSSL would SegFault if the DTLS server receives a ChangeCipherSpec as the first record instead of...

OpenSSL < 0.9.8i - DTLS ChangeCipherSpec Remote Denial of Service

/ cve-2009-1386.c OpenSSL http://jon.oberheide.org Information: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1386 OpenSSL would SegFault if the DTLS server receives a ChangeCipherSpec as the first record instead of ClientHello. Usage: Pass the host and port of the target DTLS server: $...

Vulnerability in OpenSSL CVE-2009-1386

Fix a NULL pointer dereference if a DTLS server recieved ChangeCipherSpec as first record. A remote attacker could use this flaw to cause a DTLS server to crash. Found by Alex Lam...

OpenSSL 'dtls1_retrieve_buffered_fragment()' DTLS报文拒绝服务漏洞

Bugraq ID: 35138 CVE ID：CVE-2009-1379 OpenSSL是一款开放源码的SSL实现，用来实现网络通信的高强度加密。 OpenSSL 'dtls1retrievebufferedfragment'存在设计问题，远程攻击者可以利用漏洞对应用程序进行拒绝服务攻击。 当运行： ./openssl sserver -dtls1 -noecdhe -timeout -cert large.pem 并执行如下命令： ./openssl sclient -dtls1 会在客户端触发段错误，GDB显示错误发生在d1both.c:539行： return...

FreeBSD : openssl -- denial of service in DTLS implementation (82b55df8-4d5a-11de-8811-0030843d3802)

Secunia reports : Some vulnerabilities have been reported in OpenSSL, which can be exploited by malicious people to cause a DoS. The library does not limit the number of buffered DTLS records with a future epoch. This can be exploited to exhaust all available memory via specially crafted DTLS...

OpenSSL DTLS Packets Multiple DoS Vulnerabilities - Windows

OpenSSL is prone to multiple Denial of Service DoS vulnerabilities. SPDX-FileCopyrightText: 2009 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...