MEDIUM
openssl: SGC restart DoS attack
Published Jan 6, 2012
5.0
MEDIUMCVSS 2.0
EPSS 17.84%
Description
The Server Gated Cryptography (SGC) 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 (CPU consumption) via unspecified vectors.
Affected products
No data.
Configuration 1
OR
- ≤ 0.9.8r
- 0.9.1c
- 0.9.2b
- 0.9.4
- 0.9.5
- 0.9.5a
- 0.9.6
- 0.9.6a
- 0.9.6b
- 0.9.6c
- 0.9.6d
- 0.9.6e
- 0.9.6f
- 0.9.6g
- 0.9.6h
- 0.9.6h
- 0.9.6i
- 0.9.6j
- 0.9.6k
- 0.9.6l
- 0.9.6m
- 0.9.7
- 0.9.7a
- 0.9.7b
- 0.9.7c
- 0.9.7d
- 0.9.7e
- 0.9.7f
- 0.9.7g
- 0.9.7h
- 0.9.7i
- 0.9.7j
- 0.9.7k
- 0.9.7l
- 0.9.7m
- 0.9.8
- 0.9.8a
- 0.9.8b
- 0.9.8c
- 0.9.8d
- 0.9.8e
- 0.9.8f
- 0.9.8g
- 0.9.8h
- 0.9.8i
- 0.9.8j
- 0.9.8k
- 0.9.8l
- 0.9.8m
- 0.9.8n
- 0.9.8o
- 0.9.8p
- 0.9.8q
Configuration 2
OR
- ≤ 1.0.0e
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0a
- 1.0.0b
- 1.0.0c
- 1.0.0d
No data.
RHEV 3.X Hypervisor and Agents for RHEL-6
rhev-hypervisor6-0:6.2-20120209.0.el6_2
Fixed · RHSA-2012:0109
Red Hat Enterprise Linux 4
openssl-0:0.9.7a-43.18.el4
Fixed · RHSA-2012:0086
Red Hat Enterprise Linux 5
openssl-0:0.9.8e-20.el5_7.1
Fixed · RHSA-2012:0060
Red Hat Enterprise Linux 6
openssl-0:1.0.0-20.el6_2.1
Fixed · RHSA-2012:0059
Red Hat JBoss Enterprise Application Platform 5.1
n/a
Fixed · RHSA-2012:1307
Red Hat JBoss Enterprise Application Platform 6.0
n/a
Fixed · RHSA-2012:1308
Red Hat JBoss Web Server 1.0
n/a
Fixed · RHSA-2012:1306
Red Hat Enterprise Linux 4
openssl096b
Will not fix
Red Hat Enterprise Linux 5
openssl097a
Will not fix
Red Hat Enterprise Linux 6
openssl098e
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEV 3.X Hypervisor and Agents for RHEL-6 | rhev-hypervisor6-0:6.2-20120209.0.el6_2 | Fixed | RHSA-2012:0109 |
| Red Hat Enterprise Linux 4 | openssl-0:0.9.7a-43.18.el4 | Fixed | RHSA-2012:0086 |
| Red Hat Enterprise Linux 5 | openssl-0:0.9.8e-20.el5_7.1 | Fixed | RHSA-2012:0060 |
| Red Hat Enterprise Linux 6 | openssl-0:1.0.0-20.el6_2.1 | Fixed | RHSA-2012:0059 |
| Red Hat JBoss Enterprise Application Platform 5.1 | n/a | Fixed | RHSA-2012:1307 |
| Red Hat JBoss Enterprise Application Platform 6.0 | n/a | Fixed | RHSA-2012:1308 |
| Red Hat JBoss Web Server 1.0 | n/a | Fixed | RHSA-2012:1306 |
| Red Hat Enterprise Linux 4 | openssl096b | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | openssl097a | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | openssl098e | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
17.84% 0.17839
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.17839
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (50 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 17.84% (0.17839) | 97.09th | v5 (v2026.06.15) |
| Sep 10, 2026 | 17.84% (0.17839) | 96.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 16.64% (0.16645) | 96.61th | v5 (v2026.06.15) |
| Mar 4, 2026 | 3.16% (0.03163) | 86.69th | v4 (v2025.03.14) |
| Mar 1, 2026 | 1.43% (0.01427) | 80.44th | v4 (v2025.03.14) |
| Feb 4, 2026 | 3.16% (0.03163) | 86.58th | v4 (v2025.03.14) |
| Feb 1, 2026 | 1.43% (0.01427) | 80.35th | v4 (v2025.03.14) |
| Jan 4, 2026 | 2.83% (0.02835) | 85.78th | v4 (v2025.03.14) |
| Jan 1, 2026 | 1.27% (0.01275) | 79.19th | v4 (v2025.03.14) |
| Dec 4, 2025 | 3.66% (0.03662) | 87.44th | v4 (v2025.03.14) |
| Dec 1, 2025 | 1.66% (0.01658) | 81.57th | v4 (v2025.03.14) |
| Nov 16, 2025 | 3.66% (0.03662) | 87.39th | v4 (v2025.03.14) |
| Nov 4, 2025 | 4.89% (0.04891) | 89.09th | v4 (v2025.03.14) |
| Nov 1, 2025 | 2.24% (0.02236) | 84.03th | v4 (v2025.03.14) |
| Oct 28, 2025 | 4.89% (0.04891) | 89.08th | v4 (v2025.03.14) |
| Oct 27, 2025 | 7.02% (0.07022) | 91.09th | v4 (v2025.03.14) |
| Oct 4, 2025 | 4.89% (0.04891) | 89.12th | v4 (v2025.03.14) |
| Oct 1, 2025 | 2.24% (0.02236) | 84.01th | v4 (v2025.03.14) |
| Sep 9, 2025 | 7.02% (0.07022) | 91.11th | v4 (v2025.03.14) |
| Sep 1, 2025 | 3.26% (0.03263) | 86.75th | v4 (v2025.03.14) |
| Aug 4, 2025 | 7.02% (0.07022) | 91.09th | v4 (v2025.03.14) |
| Aug 1, 2025 | 3.26% (0.03263) | 86.76th | v4 (v2025.03.14) |
| Jul 30, 2025 | 7.02% (0.07022) | 91.08th | v4 (v2025.03.14) |
| Jul 13, 2025 | 4.89% (0.04891) | 89.12th | v4 (v2025.03.14) |
| Jul 5, 2025 | 3.79% (0.03794) | 87.58th | v4 (v2025.03.14) |
| Jul 1, 2025 | 1.81% (0.01814) | 82.07th | v4 (v2025.03.14) |
| Jun 4, 2025 | 3.79% (0.03794) | 87.53th | v4 (v2025.03.14) |
| Jun 1, 2025 | 1.81% (0.01814) | 82.00th | v4 (v2025.03.14) |
| May 4, 2025 | 3.79% (0.03794) | 87.45th | v4 (v2025.03.14) |
| May 1, 2025 | 1.81% (0.01814) | 81.92th | v4 (v2025.03.14) |
| Apr 13, 2025 | 3.79% (0.03794) | 87.08th | v4 (v2025.03.14) |
| Apr 12, 2025 | 1.81% (0.01814) | 81.33th | v4 (v2025.03.14) |
| Apr 2, 2025 | 3.79% (0.03794) | 87.04th | v4 (v2025.03.14) |
| Apr 1, 2025 | 1.81% (0.01814) | 81.26th | v4 (v2025.03.14) |
| Mar 31, 2025 | 3.79% (0.03794) | 87.01th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.89% (0.04891) | 88.58th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.59% (0.10586) | 88.72th | v4 (v2025.03.14) |
| Mar 28, 2025 | 4.89% (0.04891) | 88.59th | v4 (v2025.03.14) |
| Mar 27, 2025 | 2.24% (0.02236) | 82.55th | v4 (v2025.03.14) |
| Mar 25, 2025 | 4.89% (0.04891) | 88.52th | v4 (v2025.03.14) |
| Mar 24, 2025 | 2.24% (0.02236) | 83.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.72% (0.05722) | 89.75th | v4 (v2025.03.14) |
| Dec 17, 2024 | 20.56% (0.20561) | 96.37th | v3 (v2023.03.01) |
| Jan 24, 2024 | 18.53% (0.18526) | 95.77th | v3 (v2023.03.01) |
| Oct 4, 2023 | 23.35% (0.23350) | 95.97th | v3 (v2023.03.01) |
| Jun 2, 2023 | 26.04% (0.26041) | 96.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 31.00% (0.31005) | 96.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.56% (0.07559) | 92.87th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.56% (0.07559) | 92.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.56% (0.07559) | 81.11th | v2 (v2022.01.01) |
Weaknesses (1)
References (26)
- http://aix.software.ibm.com/aix/efixes/security/openssl_advisory3.asc x_refsource_CONFIRM
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 vendor-advisoryx_refsource_HP
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html vendor-advisoryx_refsource_APPLE
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00017.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00018.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=132750648501816&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=133728068926468&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=133951357207000&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=134039053214295&w=2 vendor-advisoryx_refsource_HP
- http://rhn.redhat.com/errata/RHSA-2012-1306.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2012-1307.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2012-1308.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/48528 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/57353 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT5784 x_refsource_CONFIRM
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564 x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2390 vendor-advisoryx_refsource_DEBIAN
- http://www.kb.cert.org/vuls/id/737740 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:006 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:007 vendor-advisoryx_refsource_MANDRIVA
- http://www.openssl.org/news/secadv_20120104.txt x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2011-4619 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=771780 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-4619
- https://www.cve.org/CVERecord?id=CVE-2011-4619
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jan 6, 2012
Updated Aug 7, 2024
Reserved Nov 29, 2011
Link CVE-2011-4619
CISA Vulnrichment
Updated n/a