extension): Process memory sensitive information disclosure due to missing variable initialization
Published Jan 19, 2013
5.0
MEDIUMCVSS 2.0
EPSS 2.54%
Description
The openssl_encrypt function in ext/openssl/openssl.c in PHP 5.3.9 through 5.3.13 does not initialize a certain variable, which allows remote attackers to obtain sensitive information from process memory by providing zero bytes of input data.
Affected products
No data.
No data.
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 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
Not Vulnerable. This issue does not affect the version of php as shipped with Red Hat Enterprise Linux 5 and 6. This issue does not affect the version of php53 as shipped with Red Hat Enterprise Linux 5.
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 | 2.54% (0.02540) | 84.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.54% (0.02540) | 82.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00405) | 58.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00470) | 76.41th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00470) | 74.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.47% (0.00470) | 71.79th | 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 (9)
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=270a406ac94b5fc5cc9ef59fc61e3b4b95648a3e x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2013/01/18/6 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1702-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-6113 Vendor Advisory
- https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1099793 x_refsource_CONFIRM
- https://bugs.php.net/bug.php?id=61413 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=902365 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-6113
- https://www.cve.org/CVERecord?id=CVE-2012-6113
| Link | Providers | Tags |
|---|---|---|
| http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=270a406ac94b5fc5cc9ef59fc61e3b4b95648a3e | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2013/01/18/6 | mailing-listx_refsource_MLIST | |
| http://www.ubuntu.com/usn/USN-1702-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2012-6113 | Vendor Advisory | |
| https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1099793 | x_refsource_CONFIRM | |
| https://bugs.php.net/bug.php?id=61413 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=902365 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-6113 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-6113 |
Change history (0)
No recorded changes yet.