CVE-2014-7187
Description
An off-by-one error was discovered in the way Bash was handling deeply nested flow control constructs. Depending on the layout of the .bss segment, this could allow arbitrary execution of code that would not otherwise be executed by Bash.
Statement
Red Hat Product Security does not consider this bug to have any security impact on the bash packages shipped in Red Hat Enterprise Linux. A fix for this issue was applied as a hardening in RHSA-2014:1306, RHSA-2014:1311, and RHSA-2014:1312.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v2 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 4.6 | 10 | N/A |
| Attack Vector | Local | Network | N/A |
| Access Complexity | Low | Low | N/A |
| Authentication | None | None | N/A |
| Confidentiality Impact | Partial | Complete | N/A |
| Integrity Impact | Partial | Complete | N/A |
| Availability Impact | Partial | Complete | N/A |
Vector
Red Hat: AV:L/AC:L/Au:N/C:P/I:P/A:P
NVD: AV:N/AC:L/Au:N/C:C/I:C/A:C
Acknowledgements
This issue was discovered by Florian Weimer (Red Hat Product Security).
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