Bug 1760618 (CVE-2019-15165) - CVE-2019-15165 libpcap: Resource exhaustion while PHB header length validation
Summary: CVE-2019-15165 libpcap: Resource exhaustion while PHB header length validation
Keywords:
Status: NEW
Alias: CVE-2019-15165
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1760624
Blocks: 1760627
TreeView+ depends on / blocked
 
Reported: 2019-10-10 23:28 UTC by Pedro Sampaio
Modified: 2019-10-25 11:55 UTC (History)
5 users (show)

Fixed In Version: libpcap 1.9.1
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Description Pedro Sampaio 2019-10-10 23:28:09 UTC
sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory.

Upstream patch:

https://github.com/the-tcpdump-group/libpcap/commit/87d6bef033062f969e70fa40c43dfd945d5a20ab
https://github.com/the-tcpdump-group/libpcap/commit/a5a36d9e82dde7265e38fe1f87b7f11c461c29f6

References:

https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES

Comment 1 Pedro Sampaio 2019-10-10 23:58:51 UTC
Created libpcap tracking bugs for this issue:

Affects: fedora-all [bug 1760624]


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