MEDIUM
Chicken before 4.8.0 does not properly handle NUL bytes in certain strings, which allows an attacker to conduct "poisoned NUL byte attack."
Published Oct 31, 2019
6.5
MEDIUMCVSS 3.1
EPSS 1.27%
Description
Chicken before 4.8.0 does not properly handle NUL bytes in certain strings, which allows an attacker to conduct "poisoned NUL byte attack."
Affected products
-
- Version before 4.8.0StatusaffectedConstraints-
- Version
Configuration 2
OR
- 8.0
- 9.0
- 10.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.27% 0.01266
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01266
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 | 1.27% (0.01266) | 68.68th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.27% (0.01266) | 65.80th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00425) | 60.15th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.29% (0.00286) | 69.60th | v3 (v2023.03.01) |
| Feb 24, 2024 | 0.27% (0.00273) | 67.16th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00387) | 72.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00387) | 68.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://www.openwall.com/lists/oss-security/2013/02/08/2 x_refsource_MISCMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/cve-2012-6123 x_refsource_MISCBroken Link
- https://security-tracker.debian.org/tracker/CVE-2012-6123 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2013/02/08/2 | x_refsource_MISCMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/cve-2012-6123 | x_refsource_MISCBroken Link | |
| https://security-tracker.debian.org/tracker/CVE-2012-6123 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Oct 31, 2019
Updated Aug 6, 2024
Reserved Dec 6, 2012
Link CVE-2012-6123
CISA Vulnrichment
Updated n/a