MEDIUM
openssl: DoS due to improper handling of OCSP response verification
Published Feb 8, 2013
5.0
MEDIUMCVSS 2.0
EPSS 19.65%
Description
OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service (NULL pointer dereference and application crash) via an invalid key.
Affected products
No data.
OR
- 0.9.1c
- 0.9.2b
- 0.9.3
- 0.9.3a
- 0.9.4
- 0.9.5
- 0.9.5
- 0.9.5
- 0.9.5a
- 0.9.5a
- 0.9.5a
- 0.9.6
- 0.9.6
- 0.9.6
- 0.9.6
- 0.9.6a
- 0.9.6a
- 0.9.6a
- 0.9.6a
- 0.9.6b
- 0.9.6c
- 0.9.6d
- 0.9.6e
- 0.9.6f
- 0.9.6g
- 0.9.6h
- 0.9.6i
- 0.9.6j
- 0.9.6k
- 0.9.6l
- 0.9.6m
- 0.9.7
- 0.9.7
- 0.9.7
- 0.9.7
- 0.9.7
- 0.9.7
- 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
- 0.9.8m
- 0.9.8n
- 0.9.8o
- 0.9.8p
- 0.9.8q
- 0.9.8r
- 0.9.8s
- 0.9.8t
- 0.9.8u
- 0.9.8v
- 0.9.8w
- 0.9.8x
- 1.0.0
- 1.0.0a
- 1.0.0b
- 1.0.0c
- 1.0.0d
- 1.0.0e
- 1.0.0f
- 1.0.0g
- 1.0.0h
- 1.0.0i
- 1.0.0j
- 1.0.1
- 1.0.1a
- 1.0.1b
- 1.0.1c
- 0.9.6-15
- 0.9.6b-3
- 0.9.7a-2
No data.
RHEV 3.X Hypervisor and Agents for RHEL-6
rhev-hypervisor6-0:6.4-20130306.2.el6_4
Fixed · RHSA-2013:0636
Red Hat Enterprise Linux 5
openssl-0:0.9.8e-26.el5_9.1
Fixed · RHSA-2013:0587
Red Hat Enterprise Linux 6
openssl-0:1.0.0-27.el6_4.2
Fixed · RHSA-2013:0587
Red Hat JBoss Enterprise Application Platform 5.2
n/a
Fixed · RHSA-2013:0783
Red Hat JBoss Enterprise Application Platform 6.1
openssl
Fixed · RHSA-2013:0833
Red Hat JBoss Web Platform 5.2
n/a
Fixed · RHSA-2013:0782
Red Hat JBoss Web Server 2.0
openssl
Fixed · RHSA-2013:1013
Red Hat Enterprise Linux 5
openssl097a
Will not fix
Red Hat Enterprise Linux 6
openssl098e
Will not fix
Red Hat JBoss Enterprise Web Server 1
openssl
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEV 3.X Hypervisor and Agents for RHEL-6 | rhev-hypervisor6-0:6.4-20130306.2.el6_4 | Fixed | RHSA-2013:0636 |
| Red Hat Enterprise Linux 5 | openssl-0:0.9.8e-26.el5_9.1 | Fixed | RHSA-2013:0587 |
| Red Hat Enterprise Linux 6 | openssl-0:1.0.0-27.el6_4.2 | Fixed | RHSA-2013:0587 |
| Red Hat JBoss Enterprise Application Platform 5.2 | n/a | Fixed | RHSA-2013:0783 |
| Red Hat JBoss Enterprise Application Platform 6.1 | openssl | Fixed | RHSA-2013:0833 |
| Red Hat JBoss Web Platform 5.2 | n/a | Fixed | RHSA-2013:0782 |
| Red Hat JBoss Web Server 2.0 | openssl | Fixed | RHSA-2013:1013 |
| Red Hat Enterprise Linux 5 | openssl097a | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | openssl098e | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 1 | openssl | 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.
19.65% 0.19650
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.19650
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 (48 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 19.65% (0.19650) | 97.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.65% (0.19650) | 97.04th | v5 (v2026.06.15) |
| Apr 23, 2026 | 9.51% (0.09511) | 92.87th | v4 (v2025.03.14) |
| Mar 4, 2026 | 11.01% (0.11012) | 93.29th | v4 (v2025.03.14) |
| Mar 1, 2026 | 2.75% (0.02746) | 85.80th | v4 (v2025.03.14) |
| Feb 4, 2026 | 11.01% (0.11012) | 93.24th | v4 (v2025.03.14) |
| Feb 1, 2026 | 2.75% (0.02746) | 85.69th | v4 (v2025.03.14) |
| Jan 4, 2026 | 11.01% (0.11012) | 93.19th | v4 (v2025.03.14) |
| Jan 1, 2026 | 2.75% (0.02746) | 85.62th | v4 (v2025.03.14) |
| Dec 28, 2025 | 11.01% (0.11012) | 93.19th | v4 (v2025.03.14) |
| Dec 27, 2025 | 6.74% (0.06744) | 91.02th | v4 (v2025.03.14) |
| Dec 11, 2025 | 11.01% (0.11012) | 93.16th | v4 (v2025.03.14) |
| Dec 7, 2025 | 7.44% (0.07442) | 91.39th | v4 (v2025.03.14) |
| Dec 4, 2025 | 5.33% (0.05333) | 89.67th | v4 (v2025.03.14) |
| Dec 1, 2025 | 2.93% (0.02930) | 86.02th | v4 (v2025.03.14) |
| Nov 4, 2025 | 5.33% (0.05333) | 89.58th | v4 (v2025.03.14) |
| Nov 1, 2025 | 2.93% (0.02930) | 85.96th | v4 (v2025.03.14) |
| Oct 28, 2025 | 5.33% (0.05333) | 89.58th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.16% (0.04164) | 88.21th | v4 (v2025.03.14) |
| Oct 4, 2025 | 5.33% (0.05333) | 89.61th | v4 (v2025.03.14) |
| Oct 1, 2025 | 2.93% (0.02930) | 85.96th | v4 (v2025.03.14) |
| Sep 5, 2025 | 4.16% (0.04164) | 88.24th | v4 (v2025.03.14) |
| Sep 1, 2025 | 2.27% (0.02271) | 84.10th | v4 (v2025.03.14) |
| Aug 4, 2025 | 4.16% (0.04164) | 88.25th | v4 (v2025.03.14) |
| Aug 1, 2025 | 2.27% (0.02271) | 84.07th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.16% (0.04164) | 88.24th | v4 (v2025.03.14) |
| Jul 5, 2025 | 5.33% (0.05333) | 89.58th | v4 (v2025.03.14) |
| Jul 1, 2025 | 2.93% (0.02930) | 85.89th | v4 (v2025.03.14) |
| Jun 5, 2025 | 5.33% (0.05333) | 89.54th | v4 (v2025.03.14) |
| Jun 1, 2025 | 2.93% (0.02930) | 85.82th | v4 (v2025.03.14) |
| May 4, 2025 | 5.33% (0.05333) | 89.49th | v4 (v2025.03.14) |
| May 1, 2025 | 2.93% (0.02930) | 85.72th | v4 (v2025.03.14) |
| Apr 12, 2025 | 5.33% (0.05333) | 89.15th | v4 (v2025.03.14) |
| Apr 11, 2025 | 2.93% (0.02930) | 85.29th | v4 (v2025.03.14) |
| Apr 2, 2025 | 5.33% (0.05333) | 89.12th | v4 (v2025.03.14) |
| Apr 1, 2025 | 2.93% (0.02930) | 85.23th | v4 (v2025.03.14) |
| Mar 31, 2025 | 5.33% (0.05333) | 89.09th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.15% (0.04147) | 87.58th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.08% (0.09083) | 87.62th | v4 (v2025.03.14) |
| Mar 25, 2025 | 4.15% (0.04147) | 87.53th | v4 (v2025.03.14) |
| Mar 18, 2025 | 5.33% (0.05333) | 89.39th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.93% (0.02930) | 85.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.83% (0.00829) | 82.67th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.68% (0.00682) | 79.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.68% (0.00682) | 76.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.72% (0.04720) | 89.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.72% (0.04720) | 88.14th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.72% (0.04720) | 74.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (31)
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=62e4506a7d4cec1c8e1ff687f6b220f6a62a57c7 x_refsource_CONFIRM
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=66e8211c0b1347970096e04b18aa52567c325200 x_refsource_CONFIRM
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=ebc71865f0506a293242bd4aec97cdc7a8ef24b0 x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=136396549913849&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=136432043316835&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=137545771702053&w=2 vendor-advisoryx_refsource_HP
- http://rhn.redhat.com/errata/RHSA-2013-0587.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2013-0782.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2013-0783.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2013-0833.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/53623 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/55108 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/55139 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT5880 x_refsource_CONFIRM
- http://www.debian.org/security/2013/dsa-2621 vendor-advisoryx_refsource_DEBIAN
- http://www.kb.cert.org/vuls/id/737740 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.openssl.org/news/secadv_20130204.txt x_refsource_CONFIRMVendor Advisory
- http://www.openssl.org/news/secadv_20130205.txt
- http://www.splunk.com/view/SP-CAAAHXG x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2013-0166 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=908052 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-0166
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18754 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19081 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19360 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19487 vdb-entrysignaturex_refsource_OVAL
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2013-0166
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Feb 8, 2013
Updated Aug 6, 2024
Reserved Dec 6, 2012
Link CVE-2013-0166
CISA Vulnrichment
Updated n/a