CVE-2013-7439
Description
From CVE.org
Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted request, which triggers a buffer overflow.
Statement
This issue does not affect the version of libX11 package as shipped with Red Hat Enterprise Linux 7.
This issue was was fixed in Red Hat Enterprise Linux 6 via the following security advisory:
https://rhn.redhat.com/errata/RHSA-2014-1436.html
This issue affects the version of libX11 package as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates.
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 | 2.9 | 7.5 | N/A |
| Attack Vector | Adjacent Network | Network | N/A |
| Access Complexity | High | Low | N/A |
| Authentication | Single | None | N/A |
| Confidentiality Impact | Partial | Partial | N/A |
| Integrity Impact | None | Partial | N/A |
| Availability Impact | Partial | Partial | N/A |
Vector
Red Hat: AV:A/AC:H/Au:S/C:P/I:N/A:P
NVD: AV:N/AC:L/Au:N/C:P/I:P/A:P
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