Coverity issues: Possible string overflows in Bearer Management

Coverity (http://wikis.in.nokia.com/SSSBitoTesting/CoverityStaticAnalysis) is a static analysis tool that finds likely defects.

Following issues were found from the Bearer Management:
http://ousrv057.europe.nokia.com:8081/cov.cgi?events=3161951&line=674&prec=%2Fcov.cgi%3Fc%3DAAAAAADA7g__b41b49%26file%3D%252Fsf%252Fmw%252Fqtmobility%252F%252A%26group%3D50%26latest%3D1%26prod%3D1%26q%3D6%26rows%3D0%26t%3D6%26v%3D1&run=47&t=12&v=1#line669

and

http://ousrv057.europe.nokia.com:8081/cov.cgi?events=3161940&line=651&prec=%2Fcov.cgi%3Fc%3DAAAAAADA7g__b41b49%26file%3D%252Fsf%252Fmw%252Fqtmobility%252F%252A%26group%3D50%26latest%3D1%26prod%3D1%26q%3D6%26rows%3D0%26t%3D6%26v%3D1&run=47&t=12&v=1#line646

and

http://ousrv057.europe.nokia.com:8081/cov.cgi?events=3161954&line=1032&prec=%2Fcov.cgi%3Fc%3DAAAAAADA7g__b41b49%26file%3D%252Fsf%252Fmw%252Fqtmobility%252F%252A%26group%3D50%26latest%3D1%26prod%3D1%26q%3D6%26rows%3D0%26t%3D6%26v%3D1&run=47&t=12&v=1#line1027

Please check whether issues are valid defects.