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Bug 1545046 - (CVE-2018-6951) CVE-2018-6951 patch: NULL pointer dereference in pch.c:intuit_diff_type() causes a crash
CVE-2018-6951 patch: NULL pointer dereference in pch.c:intuit_diff_type() cau...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20180203,reported=2...
: Security
Depends On: 1554750 1545047
Blocks: 1545055
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Reported: 2018-02-14 01:58 EST by Sam Fowler
Modified: 2018-03-15 14:00 EDT (History)
2 users (show)

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A NULL pointer dereference flaw was found in the way patch processed patch files. An attacker could potentially use this flaw to crash patch by tricking it into processing crafted patches.
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Description Sam Fowler 2018-02-14 01:58:09 EST 
GNU patch through version 2.7.6 in pch.c:intuit_diff_type() is vulnerable to a crash caused by malicious patch file.

Upstream Issue:

https://savannah.gnu.org/bugs/index.php?53132

Upstream Patch:

https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a
Comment 1 Sam Fowler 2018-02-14 01:58:33 EST 
Created patch tracking bugs for this issue:

Affects: fedora-all [bug 1545047]
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