MEDIUM
crypt_blowfish: 8-bit character mishandling allows different password pairs to produce the same hash
Published Aug 25, 2011
5.0
MEDIUMCVSS 2.0
EPSS 4.97%
Description
crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.
Affected products
No data.
Configuration 2
OR
- ≥ 8.2.0 · < 8.2.22
- ≥ 8.3.0 · < 8.3.16
- ≥ 8.4.0 · < 8.4.9
- ≥ 9.0.0 · < 9.0.5
Configuration 3
- < 1.1
No data.
Red Hat Enterprise Linux 4
postgresql-0:7.4.30-3.el4
Fixed · RHSA-2011:1377
Red Hat Enterprise Linux 5
php53-0:5.3.3-1.el5_7.3
Fixed · RHSA-2011:1423
Red Hat Enterprise Linux 5
postgresql-0:8.1.23-1.el5_7.2
Fixed · RHSA-2011:1377
Red Hat Enterprise Linux 5
postgresql84-0:8.4.9-1.el5_7.1
Fixed · RHSA-2011:1378
Red Hat Enterprise Linux 6
php-0:5.3.3-3.el6_1.3
Fixed · RHSA-2011:1423
Red Hat Enterprise Linux 6
postgresql-0:8.4.9-1.el6_1.1
Fixed · RHSA-2011:1377
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | postgresql-0:7.4.30-3.el4 | Fixed | RHSA-2011:1377 |
| Red Hat Enterprise Linux 5 | php53-0:5.3.3-1.el5_7.3 | Fixed | RHSA-2011:1423 |
| Red Hat Enterprise Linux 5 | postgresql-0:8.1.23-1.el5_7.2 | Fixed | RHSA-2011:1377 |
| Red Hat Enterprise Linux 5 | postgresql84-0:8.4.9-1.el5_7.1 | Fixed | RHSA-2011:1378 |
| Red Hat Enterprise Linux 6 | php-0:5.3.3-3.el6_1.3 | Fixed | RHSA-2011:1423 |
| Red Hat Enterprise Linux 6 | postgresql-0:8.4.9-1.el6_1.1 | Fixed | RHSA-2011:1377 |
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:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.97% 0.04972
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04972
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 (58 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.97% (0.04972) | 91.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.97% (0.04972) | 91.05th | v5 (v2026.06.15) |
| Mar 4, 2026 | 6.67% (0.06668) | 91.05th | v4 (v2025.03.14) |
| Mar 1, 2026 | 2.88% (0.02877) | 86.10th | v4 (v2025.03.14) |
| Feb 20, 2026 | 6.67% (0.06668) | 91.03th | v4 (v2025.03.14) |
| Feb 18, 2026 | 7.81% (0.07811) | 91.78th | v4 (v2025.03.14) |
| Feb 4, 2026 | 6.50% (0.06501) | 90.87th | v4 (v2025.03.14) |
| Feb 1, 2026 | 2.80% (0.02801) | 85.81th | v4 (v2025.03.14) |
| Jan 4, 2026 | 6.50% (0.06501) | 90.80th | v4 (v2025.03.14) |
| Jan 1, 2026 | 2.80% (0.02801) | 85.74th | v4 (v2025.03.14) |
| Dec 27, 2025 | 5.60% (0.05602) | 90.08th | v4 (v2025.03.14) |
| Dec 4, 2025 | 7.07% (0.07072) | 91.15th | v4 (v2025.03.14) |
| Dec 1, 2025 | 2.78% (0.02777) | 85.62th | v4 (v2025.03.14) |
| Nov 4, 2025 | 7.07% (0.07072) | 91.09th | v4 (v2025.03.14) |
| Nov 1, 2025 | 3.34% (0.03336) | 86.83th | v4 (v2025.03.14) |
| Oct 28, 2025 | 8.27% (0.08273) | 91.84th | v4 (v2025.03.14) |
| Oct 27, 2025 | 6.26% (0.06263) | 90.52th | v4 (v2025.03.14) |
| Oct 4, 2025 | 8.27% (0.08273) | 91.90th | v4 (v2025.03.14) |
| Oct 1, 2025 | 3.34% (0.03336) | 86.85th | v4 (v2025.03.14) |
| Sep 11, 2025 | 6.26% (0.06263) | 90.55th | v4 (v2025.03.14) |
| Sep 7, 2025 | 4.71% (0.04712) | 88.96th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.66% (0.01656) | 81.40th | v4 (v2025.03.14) |
| Aug 4, 2025 | 4.71% (0.04712) | 88.98th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.66% (0.01656) | 81.38th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.71% (0.04712) | 88.97th | v4 (v2025.03.14) |
| Jul 13, 2025 | 6.27% (0.06267) | 90.47th | v4 (v2025.03.14) |
| Jul 4, 2025 | 8.27% (0.08273) | 91.82th | v4 (v2025.03.14) |
| Jul 1, 2025 | 3.34% (0.03336) | 86.82th | v4 (v2025.03.14) |
| Jun 29, 2025 | 8.27% (0.08273) | 91.80th | v4 (v2025.03.14) |
| Jun 16, 2025 | 6.67% (0.06668) | 90.74th | v4 (v2025.03.14) |
| Jun 11, 2025 | 7.81% (0.07811) | 91.49th | v4 (v2025.03.14) |
| Jun 4, 2025 | 6.50% (0.06501) | 90.59th | v4 (v2025.03.14) |
| Jun 1, 2025 | 2.80% (0.02801) | 85.47th | v4 (v2025.03.14) |
| May 4, 2025 | 6.50% (0.06501) | 90.57th | v4 (v2025.03.14) |
| May 1, 2025 | 2.80% (0.02801) | 85.38th | v4 (v2025.03.14) |
| Apr 13, 2025 | 6.50% (0.06501) | 90.25th | v4 (v2025.03.14) |
| Apr 12, 2025 | 2.80% (0.02801) | 84.93th | v4 (v2025.03.14) |
| Apr 8, 2025 | 6.82% (0.06823) | 90.48th | v4 (v2025.03.14) |
| Apr 6, 2025 | 2.67% (0.02674) | 84.57th | v4 (v2025.03.14) |
| Apr 1, 2025 | 6.82% (0.06823) | 90.46th | v4 (v2025.03.14) |
| Mar 31, 2025 | 2.67% (0.02674) | 84.51th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.82% (0.06823) | 90.44th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.05% (0.17052) | 91.70th | v4 (v2025.03.14) |
| Mar 28, 2025 | 6.82% (0.06823) | 90.45th | v4 (v2025.03.14) |
| Mar 27, 2025 | 17.05% (0.17052) | 94.10th | v4 (v2025.03.14) |
| Mar 26, 2025 | 2.67% (0.02674) | 84.39th | v4 (v2025.03.14) |
| Mar 23, 2025 | 6.82% (0.06823) | 89.77th | v4 (v2025.03.14) |
| Mar 22, 2025 | 2.67% (0.02674) | 84.56th | v4 (v2025.03.14) |
| Mar 20, 2025 | 6.82% (0.06823) | 90.54th | v4 (v2025.03.14) |
| Mar 19, 2025 | 17.05% (0.17052) | 94.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.20% (0.06203) | 90.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.33% (0.00327) | 71.71th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00327) | 70.05th | v3 (v2023.03.01) |
| Oct 26, 2023 | 0.33% (0.00327) | 67.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00437) | 70.72th | 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 (27)
- http://freshmeat.net/projects/crypt_blowfish x_refsource_MISCBroken Link
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 x_refsource_CONFIRMThird Party Advisory
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html vendor-advisoryx_refsource_APPLEMailing List
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://php.net/security/crypt_blowfish x_refsource_CONFIRMThird Party Advisory
- http://support.apple.com/kb/HT5130 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2011/dsa-2340 vendor-advisoryx_refsource_DEBIANThird Party AdvisoryVDB Entry
- http://www.debian.org/security/2012/dsa-2399 vendor-advisoryx_refsource_DEBIANThird Party AdvisoryVDB Entry
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:165 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:178 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:179 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:180 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.openwall.com/crypt/ x_refsource_CONFIRMMailing ListPatchThird Party Advisory
- http://www.php.net/ChangeLog-5.php#5.3.7 x_refsource_CONFIRMThird Party Advisory
- http://www.php.net/archive/2011.php#id2011-08-18-1 x_refsource_CONFIRMPatchVendor Advisory
- http://www.php.net/security/crypt_blowfish.php
- http://www.postgresql.org/docs/8.4/static/release-8-4-9.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1377.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.redhat.com/support/errata/RHSA-2011-1378.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.redhat.com/support/errata/RHSA-2011-1423.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/bid/49241 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1229-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2011-2483 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=715025 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69319 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2011-2483
- https://www.cve.org/CVERecord?id=CVE-2011-2483
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Aug 25, 2011
Updated Aug 6, 2024
Reserved Jun 15, 2011
Link CVE-2011-2483
CISA Vulnrichment
Updated n/a