php: libxml RSHUTDOWN function disables the hooks which are used to implement open_basedir
Published Feb 15, 2014
5.0
MEDIUMCVSS 2.0
EPSS 2.81%
Description
The libxml RSHUTDOWN function in PHP 5.x allows remote attackers to bypass the open_basedir protection mechanism and read arbitrary files via vectors involving a stream_close method call during use of a custom stream wrapper.
Affected products
No data.
- 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
- 5.2.10
- 5.2.11
- 5.2.12
- 5.2.13
- 5.2.14
- 5.2.15
- 5.2.16
- 5.2.17
- 5.3.0
- 5.3.1
- 5.3.2
- 5.3.3
- 5.3.4
- 5.3.5
- 5.3.6
- 5.3.7
- 5.3.8
- 5.3.9
- 5.3.10
- 5.3.11
- 5.3.12
- 5.3.13
- 5.3.14
- 5.3.15
- 5.3.16
- 5.3.17
- 5.3.18
- 5.3.19
- 5.3.20
- 5.3.21
- 5.3.22
- 5.3.23
- 5.3.24
- 5.3.25
- 5.3.26
- 5.3.27
- 5.4.0
- 5.4.1
- 5.4.2
- 5.4.3
- 5.4.4
- 5.4.5
- 5.4.6
- 5.4.7
- 5.4.8
- 5.4.9
- 5.4.10
- 5.4.11
- 5.4.12
- 5.4.12
- 5.4.12
- 5.4.13
- 5.4.13
- 5.4.14
- 5.4.14
- 5.4.15
- 5.4.16
- 5.4.17
- 5.4.18
- 5.4.19
- 5.4.20
- 5.4.21
- 5.4.22
- 5.4.23
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.1
- 5.5.2
- 5.5.3
- 5.5.4
- 5.5.5
- 5.5.6
No data.
Red Hat Enterprise Linux 4
php
Not affected
Red Hat Enterprise Linux 5
php
Not affected
Red Hat Enterprise Linux 5
php53
Not affected
Red Hat Enterprise Linux 6
php
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php53 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | php | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
We do not consider safe_mode / open_basedir restriction bypass issues to be security sensitive. For more details see http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and http://www.php.net/security-note.php
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.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.81% (0.02812) | 86.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.81% (0.02812) | 84.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.16% (0.00162) | 34.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.29% (0.00289) | 69.77th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00289) | 68.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00292) | 64.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (7)
- https://access.redhat.com/security/cve/CVE-2012-1171 Vendor Advisory
- https://bugs.php.net/bug.php?id=61367 x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=802591 x_refsource_CONFIRMIssue Tracking
- https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-read.phpt x_refsource_CONFIRMVendor Advisory
- https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-write.phpt x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-1171
- https://www.cve.org/CVERecord?id=CVE-2012-1171
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2012-1171 | Vendor Advisory | |
| https://bugs.php.net/bug.php?id=61367 | x_refsource_MISC | |
| https://bugzilla.redhat.com/show_bug.cgi?id=802591 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-read.phpt | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-write.phpt | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-1171 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-1171 |
Change history (0)
No recorded changes yet.