opencryptoki: insecure handling of files in the /tmp directory
Published Oct 10, 2012
6.2
MEDIUMCVSS 2.0
EPSS 0.36%
Description
openCryptoki 2.4.1 allows local users to create or set world-writable permissions on arbitrary files via a symlink attack on the (1) LCK..opencryptoki or (2) LCK..opencryptoki_stdll file in /var/lock/.
Affected products
No data.
- 2.4.1
No data.
Red Hat Enterprise Linux 4
openCryptoki
Will not fix
Red Hat Enterprise Linux 5
openCryptoki
Will not fix
Red Hat Enterprise Linux 6
opencryptoki
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | openCryptoki | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | openCryptoki | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | opencryptoki | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the openCryptoki packages as shipped with Red Hat Enterprise Linux 5 and 6.
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:L/AC:H/Au:N/C:C/I:C/A:C
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.36% (0.00359) | 27.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.36% (0.00359) | 27.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00025) | 4.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (15)
- http://opencryptoki.git.sourceforge.net/git/gitweb.cgi?p=opencryptoki/opencryptoki%3Ba=commitdiff%3Bh=5667edb52cd27b7e512f48f823b4bcc6b872ab15 x_refsource_CONFIRM
- http://secunia.com/advisories/50702 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://sourceforge.net/mailarchive/message.php?msg_id=29191022 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/09/07/2 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/09/07/6 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/09/09/2 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/09/20/6 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/09/25/5 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/09/27/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/55627 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2012-4455 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=730636 x_refsource_MISCIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78943 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-4455
- https://www.cve.org/CVERecord?id=CVE-2012-4455
Change history (0)
No recorded changes yet.