The AJP connector in Apache Tomcat 5.5.15 uses an incorrect length for chunks, which can cause a buffer over-read in the ajp_process_callback in mod_jk, which allows remote attackers to read portions of sensitive memory.

References

• https://nvd.nist.gov/vuln/detail/CVE-2006-7197
• https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925@%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4@%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935@%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d@%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f20c452c127a53c@%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d@%3Cdev.tomcat.apache.org%3E
• http://issues.apache.org/bugzilla/show_bug.cgi?id=38859
• https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f20c452c127a53c%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.org%3E
• https://access.redhat.com/errata/RHSA-2008:0261
• https://svn.apache.org/viewvc?view=revision&revision=381505
• https://web.archive.org/web/20080511190321/http://www.securityfocus.com/bid/28477