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TI-2013-05402 Aliases CVE-2013-6449GHSA-h84w-39m4-37j6

The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain…

Priority LOW 39CWE-310Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.21174 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 25

CPEVersionsRoleVendor
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*up to 1.0.1eVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:*1.0.0VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:*1.0.0 beta1VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:*1.0.0 beta2VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:*1.0.0 beta3VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:*1.0.0 beta4VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:*1.0.0 beta5VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:*1.0.0aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:*1.0.0bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:*1.0.0cVulnerableOpenSSL
  • cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* Versions up to 1.0.1e Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:* Versions 1.0.0 beta1 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:* Versions 1.0.0 beta2 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:* Versions 1.0.0 beta3 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:* Versions 1.0.0 beta4 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:* Versions 1.0.0 beta5 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:* Versions 1.0.0a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:* Versions 1.0.0b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:* Versions 1.0.0c Vulnerable ·OpenSSL
Show 15 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:openssl:openssl:1.0.0d:*:*:*:*:*:*:*1.0.0dVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0e:*:*:*:*:*:*:*1.0.0eVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0f:*:*:*:*:*:*:*1.0.0fVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0g:*:*:*:*:*:*:*1.0.0gVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0h:*:*:*:*:*:*:*1.0.0hVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0i:*:*:*:*:*:*:*1.0.0iVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.0j:*:*:*:*:*:*:*1.0.0jVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*1.0.1VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1:beta1:*:*:*:*:*:*1.0.1 beta1VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1:beta2:*:*:*:*:*:*1.0.1 beta2VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1:beta3:*:*:*:*:*:*1.0.1 beta3VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*1.0.1aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*1.0.1bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*1.0.1cVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*1.0.1dVulnerableOpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0d:*:*:*:*:*:*:* Versions 1.0.0d Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0e:*:*:*:*:*:*:* Versions 1.0.0e Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0f:*:*:*:*:*:*:* Versions 1.0.0f Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0g:*:*:*:*:*:*:* Versions 1.0.0g Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0h:*:*:*:*:*:*:* Versions 1.0.0h Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0i:*:*:*:*:*:*:* Versions 1.0.0i Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.0j:*:*:*:*:*:*:* Versions 1.0.0j Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1:beta1:*:*:*:*:*:* Versions 1.0.1 beta1 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1:beta2:*:*:*:*:*:* Versions 1.0.1 beta2 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1:beta3:*:*:*:*:*:* Versions 1.0.1 beta3 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:* Versions 1.0.1a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:* Versions 1.0.1b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:* Versions 1.0.1c Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:* Versions 1.0.1d Vulnerable ·OpenSSL

Remediation

Red Hat 2 advisories

  • RHSA-2014:0041 Released 2014-01-21 · Red Hat rating Important
    rhev-hypervisor6 security update
    • RHEV Hypervisor for RHEL-6 rhev-hypervisor6-6.5-20140112.0.el6ev
  • RHSA-2014:0015 Released 2014-01-08 · Red Hat rating Important
    openssl security update
    • Red Hat Enterprise Linux Desktop (v. 6) openssl-1.0.1e-16.el6_5.4
    • Red Hat Enterprise Linux Desktop Optional (v. 6) openssl-1.0.1e-16.el6_5.4, openssl-devel-1.0.1e-16.el6_5.4, openssl-perl-1.0.1e-16.el6_5.4 +1
    • Red Hat Enterprise Linux HPC Node (v. 6) openssl-1.0.1e-16.el6_5.4
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) openssl-1.0.1e-16.el6_5.4, openssl-devel-1.0.1e-16.el6_5.4, openssl-perl-1.0.1e-16.el6_5.4 +1
    • Red Hat Enterprise Linux Server (v. 6) openssl-1.0.1e-16.el6_5.4, openssl-1.0.1e-16.el6_5.4.ppc, openssl-devel-1.0.1e-16.el6_5.4 +1
    • Red Hat Enterprise Linux Server Optional (v. 6) openssl-1.0.1e-16.el6_5.4, openssl-perl-1.0.1e-16.el6_5.4, openssl-static-1.0.1e-16.el6_5.4
    • Red Hat Enterprise Linux Workstation (v. 6) openssl-1.0.1e-16.el6_5.4, openssl-devel-1.0.1e-16.el6_5.4
    • Red Hat Enterprise Linux Workstation Optional (v. 6) openssl-1.0.1e-16.el6_5.4, openssl-perl-1.0.1e-16.el6_5.4, openssl-static-1.0.1e-16.el6_5.4

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
RHEV Hypervisor for RHEL-6Fixed RHSA-2014:0041
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:0015
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:0015
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2014:0015
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:0015
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:0015
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:0015
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:0015
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:0015
Not affected: 8 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat JBoss Enterprise Application Platform 5
  • Red Hat JBoss Enterprise Application Platform 6
  • Red Hat JBoss Enterprise Web Server 1
  • Red Hat JBoss Enterprise Web Server 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-6449
  2. 2026-10-03 Alias added: GHSA-h84w-39m4-37j6

References

Advisory 14

Other 10

  • TI-2022-01915 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
  • TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
  • TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
  • TI-2022-01176 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
  • TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
  • TI-2025-14107 Stack buffer overflow in CMS (Auth)EnvelopedData parsing CVSS 3.1HIGH 8.8
See all 312 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences