CVE-2011-4913
The MITRE CVE dictionary describes this issue as:
The rose_parse_ccitt function in net/rose/rose_subr.c in the Linux kernel before 2.6.39 does not validate the FAC_CCITT_DEST_NSAP and FAC_CCITT_SRC_NSAP fields, which allows remote attackers to (1) cause a denial of service (integer underflow, heap memory corruption, and panic) via a small length value in data sent to a ROSE socket, or (2) conduct stack-based buffer overflow attacks via a large length value in data sent to a ROSE socket.
Find out more about CVE-2011-4913 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
Not vulnerable. This issue did not affect the versions of Linux kernel as
shipped with Red Hat Enterprise Linux 4, 5, 6, or Red Hat Enterprise MRG. Red
Hat does not provide support for the ROSE protocol.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 8.3 |
|---|---|
| Base Metrics | AV:A/AC:L/Au:N/C:C/I:C/A:C |
| Access Vector | Adjacent Network |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected |
| Red Hat Enterprise Linux 6 | kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
| Red Hat Enterprise Linux 4 | kernel | Not affected |
Acknowledgements
Red Hat would like to thank Dan Rosenberg for reporting this issue.CVE description copyright © 2017, The MITRE Corporation