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CVE-2011-4109

Status Candidate

Overview

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Related Files

Red Hat Security Advisory 2012-1308-01
Posted Sep 25, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1308-01 - 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. Multiple numeric conversion errors, leading to a buffer overflow, were found in the way OpenSSL parsed ASN.1 data from BIO inputs. Specially-crafted DER encoded data read from a file or other BIO input could cause an application using the OpenSSL library to crash or, potentially, execute arbitrary code.

tags | advisory, overflow, arbitrary, protocol
systems | linux, redhat
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4619, CVE-2012-0884, CVE-2012-1165, CVE-2012-2110, CVE-2012-2333
SHA-256 | 206cde5e92802affa77fca94734b591bc92f0c31a255e0c9a0783f9ea0e00ff8
Red Hat Security Advisory 2012-1306-01
Posted Sep 25, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1306-01 - 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. Multiple numeric conversion errors, leading to a buffer overflow, were found in the way OpenSSL parsed ASN.1 data from BIO inputs. Specially-crafted DER encoded data read from a file or other BIO input could cause an application using the OpenSSL library to crash or, potentially, execute arbitrary code.

tags | advisory, overflow, arbitrary, protocol
systems | linux, redhat
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4619, CVE-2012-0884, CVE-2012-1165, CVE-2012-2110, CVE-2012-2333
SHA-256 | d979e67270f58627c9e1e6c964f567d184e0496a66c282a6e7c00bf36b81f799
Red Hat Security Advisory 2012-1307-01
Posted Sep 25, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1307-01 - 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. Multiple numeric conversion errors, leading to a buffer overflow, were found in the way OpenSSL parsed ASN.1 data from BIO inputs. Specially-crafted DER encoded data read from a file or other BIO input could cause an application using the OpenSSL library to crash or, potentially, execute arbitrary code.

tags | advisory, overflow, arbitrary, protocol
systems | linux, redhat
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4619, CVE-2012-0884, CVE-2012-1165, CVE-2012-2110, CVE-2012-2333
SHA-256 | c30c6e1a2462f5d13b946bea5008523c5921e3a47784400549081d14240277e6
VMware Security Advisory 2012-0013
Posted Sep 1, 2012
Authored by VMware | Site vmware.com

VMware Security Advisory 2012-0013 - VMware has updated several third party libraries in vSphere and vcOps to address multiple security vulnerabilities.

tags | advisory, vulnerability
advisories | CVE-2009-5029, CVE-2009-5064, CVE-2010-0830, CVE-2010-2761, CVE-2010-4180, CVE-2010-4252, CVE-2010-4410, CVE-2011-0014, CVE-2011-1020, CVE-2011-1089, CVE-2011-1833, CVE-2011-2484, CVE-2011-2496, CVE-2011-2699, CVE-2011-3188, CVE-2011-3209, CVE-2011-3363, CVE-2011-3597, CVE-2011-4108, CVE-2011-4109, CVE-2011-4110, CVE-2011-4128, CVE-2011-4132, CVE-2011-4324, CVE-2011-4325, CVE-2011-4576, CVE-2011-4577, CVE-2011-4609
SHA-256 | ab37b6926b046653acdeeef66e7c85ba
HP Security Bulletin HPSBOV02793 SSRT100891
Posted Jun 23, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBOV02793 SSRT100891 - Potential security vulnerabilities have been identified with HP OpenVMS running SSL. The vulnerabilities could be remotely exploited to cause a Denial of Service (DoS) or to gain unauthorized access. Revision 1 of this advisory.

tags | advisory, denial of service, vulnerability
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4577, CVE-2011-4619, CVE-2012-0050, CVE-2012-0884, CVE-2012-1165, CVE-2012-2110, CVE-2012-2131
SHA-256 | 81afd5381e1f8df30bc1eda96940a682d60e52c9185ef5115fed35b8f301ab7c
FreeBSD Security Advisory - OpenSSL
Posted May 3, 2012
Site security.freebsd.org

FreeBSD Security Advisory - OpenSSL fails to clear the bytes used as block cipher padding in SSL 3.0 records when operating as a client or a server that accept SSL 3.0 handshakes. As a result, in each record, up to 15 bytes of uninitialized memory may be sent, encrypted, to the SSL peer. This could include sensitive contents of previously freed memory. OpenSSL support for handshake restarts for server gated cryptography (SGC) can be used in a denial-of-service attack. Various other OpenSSL issues have also been addressed.

tags | advisory
systems | freebsd
advisories | CVE-2011-4576, CVE-2011-4619, CVE-2011-4109, CVE-2012-0884, CVE-2012-2110
SHA-256 | a5bef5136c533b9f68af4bc039c5c33bcdfa740e1cf6dd569a94090e8f39f3ee
Gentoo Linux Security Advisory 201203-12
Posted Mar 6, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201203-12 - Multiple vulnerabilities have been found in OpenSSL, allowing remote attackers to cause a Denial of Service or obtain sensitive information. Versions less than 1.0.0g are affected.

tags | advisory, remote, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4577, CVE-2011-4619, CVE-2012-0027, CVE-2012-0050
SHA-256 | 33d5dcd48ce0543fba2329b32e7c2e3cb7ad20833adcae6ddcc406a2b4b01fd0
Red Hat Security Advisory 2012-0168-01
Posted Feb 21, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0168-01 - The rhev-hypervisor5 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. A heap overflow flaw was found in the way QEMU-KVM emulated the e1000 network interface card. A privileged guest user in a virtual machine whose network interface is configured to use the e1000 emulated driver could use this flaw to crash the host or, possibly, escalate their privileges on the host.

tags | advisory, overflow
systems | linux, redhat
advisories | CVE-2011-4109, CVE-2011-4576, CVE-2011-4619, CVE-2012-0029, CVE-2012-0207
SHA-256 | bb1c7d2fa41c5e43267b70421481368a0747bc20aa8aecdd962ffe916076e965
Ubuntu Security Notice USN-1357-1
Posted Feb 10, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1357-1 - It was discovered that the elliptic curve cryptography (ECC) subsystem in OpenSSL, when using the Elliptic Curve Digital Signature Algorithm (ECDSA) for the ECDHE_ECDSA cipher suite, did not properly implement curves over binary fields. This could allow an attacker to determine private keys via a timing attack. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Adam Langley discovered that the ephemeral Elliptic Curve Diffie-Hellman (ECDH) functionality in OpenSSL did not ensure thread safety while processing handshake messages from clients. This could allow a remote attacker to cause a denial of service via out-of-order messages that violate the TLS protocol. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Various other issues were also addressed.

tags | advisory, remote, denial of service, protocol
systems | linux, ubuntu
advisories | CVE-2011-1945, CVE-2011-3210, CVE-2011-4108, CVE-2011-4108, CVE-2012-0050, CVE-2011-4109, CVE-2011-4354, CVE-2011-4576, CVE-2011-4577, CVE-2011-4619, CVE-2012-0027, CVE-2011-1945, CVE-2011-3210, CVE-2011-4108, CVE-2011-4109, CVE-2011-4354, CVE-2011-4576, CVE-2011-4577, CVE-2011-4619, CVE-2012-0027, CVE-2012-0050
SHA-256 | 35a63a05c4a33b71a7bcfee436327107866cecc57861e8d07b69574145af5179
HP Security Bulletin HPSBUX02734 SSRT100729
Posted Jan 25, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBUX02734 SSRT100729 - A potential security vulnerability has been identified with HP-UX OpenSSL. This vulnerability could be exploited remotely to create a Denial of Service (DoS) or to gain unauthorized access. Revision 1 of this advisory.

tags | advisory, denial of service
systems | hpux
advisories | CVE-2011-3210, CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4577, CVE-2011-4619
SHA-256 | b2265e92d8b81cb40b2add6a630d861f1b28f98b30119e91fd07549aa77efff1
Red Hat Security Advisory 2012-0060-01
Posted Jan 24, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0060-01 - 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. It was discovered that the Datagram Transport Layer Security protocol implementation in OpenSSL leaked timing information when performing certain operations. A remote attacker could possibly use this flaw to retrieve plain text from the encrypted packets by using a DTLS server as a padding oracle. A double free flaw was discovered in the policy checking code in OpenSSL. A remote attacker could use this flaw to crash an application that uses OpenSSL by providing an X.509 certificate that has specially-crafted policy extension data.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4619
SHA-256 | 626386dc502d12fc29e4780f91473a6509e4ce82830fd07413d30317383f9ba0
OpenSSL Toolkit 1.0.0g
Posted Jan 19, 2012
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols with full-strength cryptography world-wide.

Changes: This release fixed a DTLS DoS issue which was recently introduced by the fix for CVE-2011-4109.
tags | encryption, protocol
systems | unix
advisories | CVE-2011-4109
SHA-256 | 905106a1505e7d9f7c36ee81408d3aa3d41aac291a9603d0c290c9530c92fc2c
Mandriva Linux Security Advisory 2012-007
Posted Jan 17, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-007 - The DTLS implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f performs a MAC check only if certain padding is valid, which makes it easier for remote attackers to recover plaintext via a padding oracle attack. Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check. The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer. The Server Gated Cryptography implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly handle handshake restarts, which allows remote attackers to cause a denial of service via unspecified vectors. The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attackers to cause a denial of service via crafted data from a TLS client. The updated packages have been patched to correct these issues.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4619, CVE-2012-0027
SHA-256 | 33297fff20727775628ebfb8e80a51c11d2cb085c4af9ee958c7cbcbd758dc6e
Mandriva Linux Security Advisory 2012-006
Posted Jan 17, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-006 - The DTLS implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f performs a MAC check only if certain padding is valid, which makes it easier for remote attackers to recover plaintext via a padding oracle attack. Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check. The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer. The Server Gated Cryptography implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly handle handshake restarts, which allows remote attackers to cause a denial of service via unspecified vectors. The updated packages have been patched to correct these issues.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4619
SHA-256 | 8546d8cc7082077b12848e834cf179f04e50bc8754ce2f0344bad607506f77b0
Debian Security Advisory 2390-1
Posted Jan 16, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2390-1 - Several vulnerabilities were discovered in OpenSSL, an implementation of TLS and related protocols. The DTLS implementation performs a MAC check only if certain padding is valid, which makes it easier for remote attackers to recover plaintext via a padding oracle attack. A double free vulnerability when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to cause applications crashes and potentially allow execution of arbitrary code by triggering failure of a policy check. On 32-bit systems, the operations on NIST elliptic curves P-256 and P-384 are not correctly implemented, potentially leaking the private ECC key of a TLS server. (Regular RSA-based keys are not affected by this vulnerability.) Various other issues were also addressed.

tags | advisory, remote, arbitrary, vulnerability, protocol
systems | linux, debian
advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4354, CVE-2011-4576, CVE-2011-4619
SHA-256 | 1bd9dd54ebd2b8dd8949d61a5c6e4677ff00eb13c0570952b6ac1337b614615a
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