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Bug 1545272 - (CVE-2017-18183) CVE-2017-18183 qpdf: Infinite Loop in QPDFWriter::enqueueObject in libqpdf/QPDFWriter.cc
CVE-2017-18183 qpdf: Infinite Loop in QPDFWriter::enqueueObject in libqpdf/QP...
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=20170812,reported=2...
: Security
Depends On: 1554691 1554704
Blocks: 1545293
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Reported: 2018-02-14 09:14 EST by Laura Pardo
Modified: 2018-03-29 18:05 EDT (History)
3 users (show)

See Also:
Fixed In Version: qpdf 7.1.1
Doc Type: If docs needed, set a value
Doc Text:
An unbounded recursion flaw leading to stack exhaustion was found in the way QPDF parsed PDF files. An attacker could potentially use this flaw to crash QPDF by tricking it into processing crafted QPDF files.
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RHEL 7.3 requirements from Atomic Host:
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Description Laura Pardo 2018-02-14 09:14:26 EST 
A flaw was discovered in QPDF before 7.0.0. There is an infinite recursion loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc. This allows an attacker to cause a denial of service via a crafted file.


External References:

https://github.com/qpdf/qpdf/issues/143

Upstream Patch:

https://github.com/qpdf/qpdf/commit/8249a26d69f72b9
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