An integer overflow vulnerability was found in hcreate() and hcreate_r() functions which could result in an out-of-bounds memory access. This could lead to application crash or, potentially, arbitrary code execution.
Find out more about CVE-2015-8778 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 5.1 |
---|---|
Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Access Vector | Network |
Access Complexity | High |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
CVSS3 Base Score | 8.1 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Attack Vector | Network |
Attack Complexity | High |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity Impact | High |
Availability Impact | High |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux 7 (glibc) | RHSA-2017:1916 | 2017-08-01 |
Red Hat Enterprise Linux 6 (glibc) | RHSA-2017:0680 | 2017-03-21 |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | compat-glibc | Will not fix |
Red Hat Enterprise Linux 6 | compat-glibc | Will not fix |
Red Hat Enterprise Linux 5 | compat-glibc | Will not fix |
Red Hat Enterprise Linux 5 | glibc | Will not fix |
Do not use any applications which call hcreate or hcreate_r with a large size argument.
These functions are used only rarely, and most callers supply a constant argument. Other applications calculate the size argument in such a way that the error condition cannot be triggered.