CVE-2005-0467
HighSummary
Multiple integer overflows in the sftp_pkt_getstring and fxp_readdir_recv functions in the PSFTP and PSCP clients for PuTTY 0.56 and earlier allow remote malicious web sites to execute arbitrary code via SFTP responses that corrupt the heap after insufficient memory allocation.
Risk Assessment
An attacker can remotely execute arbitrary code on the victim's machine, leading to full system compromise, data theft, or malware installation.
Recommendation
Immediately update PuTTY to a version later than 0.56, which includes fixes for these vulnerabilities. Avoid connecting to untrusted SFTP servers with older client versions.
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Original NVD description (English source)
Multiple integer overflows in the (1) sftp_pkt_getstring and (2) fxp_readdir_recv functions in the PSFTP and PSCP clients for PuTTY 0.56, and possibly earlier versions, allow remote malicious web sites to execute arbitrary code via SFTP responses that corrupt the heap after insufficient memory has been allocated.