A buffer overflow in Echoping might allow remote attackers to cause a Denial of Service condition.
|Package||net-analyzer/echoping on all architectures|
|Affected versions||< 6.0.2_p434|
|Unaffected versions||>= 6.0.2_p434|
Echoping is a small program to test performances of a remote host by sending it TCP packets.
A boundary error exists within the “TLS_readline()” function, which can be exploited to overflow a global buffer by sending an overly long encrypted HTTP reply to Echoping. Also, a similar boundary error exists within the “SSL_readline()” function, which can be exploited in the same manner.
A remote attacker could send a specially crafted HTTP reply, possibly resulting in a Denial of Service condition.
There is no known workaround at this time.
All Echoping users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-analyzer/echoping-6.0.2_p434"
June 06, 2014
June 06, 2014: 1