CVE-2014-2524
Description
From CVE.org
The _rl_tropen function in util.c in GNU readline before 6.3 patch 3 allows local users to create or overwrite arbitrary files via a symlink attack on a /var/tmp/rltrace.[PID] file.
Statement
This issue is only exposed via readline's debugging/tracing code and is not used by readline or any other application in Red Hat Enterprise Linux. The tracing functions are defined in a private header file and are only meant for the readline library's internal use. In general use, there is no exposure of this insecure temporary file issue, and while this does affect the versions of readline as shipped with Red Hat Enterprise Linux 5, 6 and 7 it is not currently planned to be addressed in future updates.
Red Hat Product Security has rated this issue as having Low security impact. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v2 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 2.1 | 3.3 | N/A |
| Attack Vector | Local | Local | N/A |
| Access Complexity | Low | Medium | N/A |
| Authentication | None | None | N/A |
| Confidentiality Impact | None | None | N/A |
| Integrity Impact | Partial | Partial | N/A |
| Availability Impact | None | Partial | N/A |
Vector
Red Hat: AV:L/AC:L/Au:N/C:N/I:P/A:N
NVD: AV:L/AC:M/Au:N/C:N/I:P/A:P
Understanding the Weakness (CWE)
Confidentiality,Integrity
Technical Impact: Read Files or Directories; Modify Files or Directories
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