Echoping: Buffer Overflow Vulnerabilities — GLSA 201406-07

A buffer overflow in Echoping might allow remote attackers to cause a Denial of Service condition.

Affected Packages

net-analyzer/echoping on all architectures
Affected versions < 6.0.2_p434
Unaffected versions >= 6.0.2_p434

Background

Echoping is a small program to test performances of a remote host by sending it TCP packets.

Description

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.

Impact

A remote attacker could send a specially crafted HTTP reply, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Echoping users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 ">=net-analyzer/echoping-6.0.2_p434"
 

References

Release Date
June 06, 2014

Latest Revision
June 06, 2014: 1

Severity
normal

Exploitable
remote

Bugzilla entries