CVE-2013-6449
Summary
| CVE | CVE-2013-6449 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2013-12-23 22:55:03 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client. |
Risk And Classification
Primary CVSS: v2.0 4.3 from [email protected]
AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS: 0.469760000 probability, percentile 0.977010000 (date 2026-05-12)
Problem Types: CWE-310 | n/a
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:M/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Openssl | Openssl | 1.0.0 | All | All | All |
| Application | Openssl | Openssl | 1.0.0 | beta1 | All | All |
| Application | Openssl | Openssl | 1.0.0 | beta2 | All | All |
| Application | Openssl | Openssl | 1.0.0 | beta3 | All | All |
| Application | Openssl | Openssl | 1.0.0 | beta4 | All | All |
| Application | Openssl | Openssl | 1.0.0 | beta5 | All | All |
| Application | Openssl | Openssl | 1.0.0a | All | All | All |
| Application | Openssl | Openssl | 1.0.0b | All | All | All |
| Application | Openssl | Openssl | 1.0.0c | All | All | All |
| Application | Openssl | Openssl | 1.0.0d | All | All | All |
| Application | Openssl | Openssl | 1.0.0e | All | All | All |
| Application | Openssl | Openssl | 1.0.0f | All | All | All |
| Application | Openssl | Openssl | 1.0.0g | All | All | All |
| Application | Openssl | Openssl | 1.0.0h | All | All | All |
| Application | Openssl | Openssl | 1.0.0i | All | All | All |
| Application | Openssl | Openssl | 1.0.0j | All | All | All |
| Application | Openssl | Openssl | 1.0.1 | All | All | All |
| Application | Openssl | Openssl | 1.0.1 | beta1 | All | All |
| Application | Openssl | Openssl | 1.0.1 | beta2 | All | All |
| Application | Openssl | Openssl | 1.0.1 | beta3 | All | All |
| Application | Openssl | Openssl | 1.0.1a | All | All | All |
| Application | Openssl | Openssl | 1.0.1b | All | All | All |
| Application | Openssl | Openssl | 1.0.1c | All | All | All |
| Application | Openssl | Openssl | 1.0.1d | All | All | All |
| Application | Openssl | Openssl | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Bug 1045363 – CVE-2013-6449 openssl: crash when using TLS 1.2 caused by use of incorrect hash algorithm | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| [SECURITY] Fedora 18 Update: openssl-1.0.1e-36.fc18 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| #3200: Crash in OpenSSL 1.0.1e w/TLS 1.2 (under load) | af854a3a-2127-422b-91ae-364da2661108 | rt.openssl.org | |
| OpenSSL Incorrect Version Number Used in ssl_get_algorithm2() Lets Remote Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| openSUSE-SU-2014:0048-1: moderate: update for openssl | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| git.openssl.org Git - openssl.git/commit | af854a3a-2127-422b-91ae-364da2661108 | git.openssl.org | |
| Debian -- Security Information -- DSA-2833-1 openssl | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| [SECURITY] Fedora 19 Update: openssl-1.0.1e-39.fc19 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| [SECURITY] Fedora 20 Update: openssl-1.0.1e-36.fc20 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| SecurityFocus | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Oracle Critical Patch Update - July 2014 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| [SECURITY] Fedora 20 Update: openssl-1.0.1e-39.fc20 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| openSUSE-SU-2014:0012-1: moderate: update for openssl | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| USN-2079-1: OpenSSL vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| OpenSSL 'ssl_get_algorithm2()' Function Remote Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| [TS-2355] ATS 4.0.x crashes when using OpenSSL 1.0.1e - ASF JIRA | af854a3a-2127-422b-91ae-364da2661108 | issues.apache.org | |
| OpenSSL: Multiple vulnerabilities (GLSA 201412-39) — Gentoo Security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| Oracle Critical Patch Update - January 2015 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| Full Disclosure: NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities | af854a3a-2127-422b-91ae-364da2661108 | seclists.org | |
| [SECURITY] Fedora 19 Update: openssl-1.0.1e-36.fc19 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| openSUSE-SU-2014:0015-1: moderate: update for openssl | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| IBM Tivoli Composite Application Manager for Transactions Internet Service Monitoring 7.3.0.1 Interim Fix 29 README Tivoli Composite Application Manager for Transactions 7.3.0.1 7.3.0.1-TIV-CAMIS-IF0029 Readme - United States | af854a3a-2127-422b-91ae-364da2661108 | www-01.ibm.com | |
| IBM Tivoli Composite Application Manager for Transactions Internet Service Monitoring 7.4 Interim Fix 13 README Tivoli Composite Application Manager for Transactions 7.4.0.0 7.4.0.0-TIV-CAMIS-IF0013 Readme - United States | af854a3a-2127-422b-91ae-364da2661108 | www-01.ibm.com | |
| openSUSE-SU-2014:0018-1: moderate: update for openssl | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| VMSA-2014-0012 | United States | af854a3a-2127-422b-91ae-364da2661108 | www.vmware.com | |
| git.openssl.org Git - openssl.git/commit | MITRE | git.openssl.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 390226 Oracle Managed Virtualization (VM) Server for x86 Security Update for Open Secure Sockets Layer (OpenSSL) (OVMSA-2021-0011)
- 390284 Oracle Managed Virtualization (VM) Server for x86 Security Update for Open Secure Sockets Layer (OpenSSL) (OVMSA-2023-0013)
- 591311 Bosch Rexroth PRA-ES8P2S Ethernet-Switch Multiple Vulnerabilities (BOSCH-SA-247053-BT)