It was reported that Wireshark's NCP dissector could crash. It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file. This is reported to affect Wireshark versions 1.12.0 to 1.12.1, and 1.10.0 to 1.10.10. It is fixed in versions 1.12.2 and 1.10.11. https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10552 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10628 The version of Wireshark in Red Hat Enterprise Linux 5 and 6 is older than 1.10.x, and may not be affected. The version of Wireshark in Red Hat Enterprise Linux 7 is affected. External References: https://www.wireshark.org/security/wnpa-sec-2014-22.html
Created wireshark tracking bugs for this issue: Affects: fedora-all [bug 1163585]
upstream fix ------------ Patch1: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=patch;h=146cff5a11ae02b1cbae85ca947c8ca0491f541e Patch2: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=patch;h=8f61ce9b8a4a038849af88328dfc3ed74c2591a6
wireshark-1.10.11-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
Analysis ======== CVE-2014-8712 In the code of Wireshark's NCP dissector the uninitialized value of buffer[0] in function build_expert_data causes crash. CVE-2014-8713 In the code of Wireshark's NCP dissector at the line uni_to_string(get_finfo_value_string(PTREE_FINFO(tree_pointer)), get_finfo_length(PTREE_FINFO(tree_pointer)), buffer); size of buffer is not verified as returned by the function get_finfo_length(PTREE_FINFO(tree_pointer) before writing into buffer, in case where values get_finfo_length() is large would cause buffer overflow.
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2015:1460 https://rhn.redhat.com/errata/RHSA-2015-1460.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2015:2393 https://rhn.redhat.com/errata/RHSA-2015-2393.html
Statement: This issue affects the verison of wireshark as shipped with Red Hat Enterprsie Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates.