HIGH
php: openssl extension: Incorrect verification of SSL certificate with NUL in name
Published Sep 22, 2009
7.5
HIGHCVSS 2.0
EPSS 2.91%
Description
The php_openssl_apply_verification_policy function in PHP before 5.2.11 does not properly perform certificate validation, which has unknown impact and attack vectors, probably related to an ability to spoof certificates.
Affected products
No data.
OR
- ≤ 5.2.10
- 1.0
- 2.0
- 2.0b10
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.0.12
- 3.0.13
- 3.0.14
- 3.0.15
- 3.0.16
- 3.0.17
- 3.0.18
- 4
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0.0
- 4.0.1
- 4.0.1
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.3
- 4.0.4
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.0.7
- 4.0.7
- 4.0.7
- 4.0.7
- 4.1.0
- 4.1.1
- 4.1.2
- 4.2
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.3.0
- 4.3.1
- 4.3.2
- 4.3.3
- 4.3.4
- 4.3.5
- 4.3.6
- 4.3.7
- 4.3.8
- 4.3.9
- 4.3.10
- 4.3.11
- 4.4.0
- 4.4.1
- 4.4.2
- 4.4.3
- 4.4.4
- 4.4.5
- 4.4.6
- 4.4.7
- 4.4.8
- 4.4.9
- 5
- 5.0
- 5.0
- 5.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.1
- 5.0.2
- 5.0.3
- 5.0.4
- 5.0.5
- 5.1.0
- 5.1.1
- 5.1.2
- 5.1.3
- 5.1.4
- 5.1.5
- 5.1.6
- 5.2.0
- 5.2.1
- 5.2.2
- 5.2.3
- 5.2.4
- 5.2.5
- 5.2.6
- 5.2.7
- 5.2.8
- 5.2.9
No data.
Red Hat Enterprise Linux 3
php-0:4.3.2-54.ent
Fixed · RHSA-2010:0040
Red Hat Enterprise Linux 4
php-0:4.3.9-3.29
Fixed · RHSA-2010:0040
Red Hat Enterprise Linux 5
php-0:5.1.6-24.el5_4.5
Fixed · RHSA-2010:0040
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | php-0:4.3.2-54.ent | Fixed | RHSA-2010:0040 |
| Red Hat Enterprise Linux 4 | php-0:4.3.9-3.29 | Fixed | RHSA-2010:0040 |
| Red Hat Enterprise Linux 5 | php-0:5.1.6-24.el5_4.5 | Fixed | RHSA-2010:0040 |
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.91% 0.02910
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02910
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.91% (0.02910) | 86.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.91% (0.02910) | 85.13th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.25% (0.02245) | 83.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.71% (0.05708) | 83.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.25% (0.02245) | 83.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.18% (0.01180) | 85.69th | v3 (v2023.03.01) |
| Apr 16, 2024 | 1.18% (0.01180) | 84.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.18% (0.01180) | 82.84th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (21)
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=127680701405735&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=130497311408250&w=2 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/36791 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/37482 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/40262 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT3937 x_refsource_CONFIRM
- http://www.debian.org/security/2009/dsa-1940 vendor-advisoryx_refsource_DEBIAN
- http://www.osvdb.org/58185 vdb-entryx_refsource_OSVDB
- http://www.php.net/ChangeLog-5.php#5.2.11 x_refsource_CONFIRMPatchVendor Advisory
- http://www.php.net/releases/5_2_11.php x_refsource_CONFIRMPatchVendor Advisory
- http://www.securitytracker.com/id?1022914 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2009/3184 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2009-3291 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=524228 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53334 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-3291
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10438 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7394 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-3291
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 22, 2009
Updated Aug 7, 2024
Reserved Sep 22, 2009
Link CVE-2009-3291
CISA Vulnrichment
Updated n/a