Cisco Cisco IOS Software Release 12.4(23)
775
Caveats for Cisco IOS Release 12.4
OL-7656-15 Rev. J0
Resolved Caveats—Cisco IOS Release 12.4(3i)
PC = 0x0, Cause = 0x8, Status Reg = 0x34410002
Conditions: This symptom occurs when loading c2801-advipservicesk9-mz.124- 3i.bin.
Workaround: Do not load c2801-advipservicesk9-mz.124-3i.bin.
Workaround: Do not load c2801-advipservicesk9-mz.124-3i.bin.
Further Problem Description: c2801-advipservicesk9-mz.124-3i.bin is a bad built image.
Resolved Caveats—Cisco IOS Release 12.4(3i)
Cisco IOS Release 12.4(3i) is a rebuild release for Cisco IOS Release 12.4(3). The caveats in this
section are resolved in Cisco IOS Release 12.4(3i) but may be open in previous Cisco IOS releases.
section are resolved in Cisco IOS Release 12.4(3i) but may be open in previous Cisco IOS releases.
Basic System Services
•
CSCsk70446
Cisco IOS emits the %DATACORRUPTION-1-DATAINCONSISTENCY error message whenever
it detects an inconsistency in its internal data structures.
it detects an inconsistency in its internal data structures.
A traceback appears after the error message. This traceback is encountered with long URLs.
It is important to note that this error message does not imply that packet data is corrupted. However,
it does provide an early indicator of other conditions that can eventually lead to poor system
performance or a Cisco IOS restart.
it does provide an early indicator of other conditions that can eventually lead to poor system
performance or a Cisco IOS restart.
Miscellaneous
•
CSCsg91306
Multiple vulnerabilities exist in the Session Initiation Protocol (SIP) implementation in Cisco IOS
that can be exploited remotely to trigger a memory leak or to cause a reload of the Cisco IOS device.
that can be exploited remotely to trigger a memory leak or to cause a reload of the Cisco IOS device.
Cisco has released free software updates that address these vulnerabilities. Fixed Cisco IOS
software listed in the Software Versions and Fixes section contains fixes for all vulnerabilities
addressed in this advisory.
software listed in the Software Versions and Fixes section contains fixes for all vulnerabilities
addressed in this advisory.
There are no workarounds available to mitigate the effects of any of the vulnerabilities apart from
disabling the protocol or feature itself, if administrators do not require the Cisco IOS device to
provide voice over IP services.
disabling the protocol or feature itself, if administrators do not require the Cisco IOS device to
provide voice over IP services.
This advisory is posted at
.
•
CSCsh74975
Symptoms: A router may reload or a leak memory may occur when UDP malformed packets are sent
to port 2517.
to port 2517.
Conditions: This symptom is observed on a Cisco router that functions as a VoIP dial peer and that
is configured for H.323.
is configured for H.323.
Workaround: There is no workaround.
•
CSCsj66692
Symptoms: Data corruption copy error tracebacks are seen on the console or output from the show
logging command:
logging command:
%DATACORRUPTION-1-DATAINCONSISTENCY: copy error, -PC= 0x41224EFC,