Bug 1475507 - (CVE-2017-11624) CVE-2017-11624 qpdf: Infinite loop in QPDFTokenizer::resolveLiteral function in QPDFTokenizer.cc
CVE-2017-11624 qpdf: Infinite loop in QPDFTokenizer::resolveLiteral function ...
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=20170725,reported=2...
: Security
Depends On: 1475508 1475509
Blocks:
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Reported: 2017-07-26 15:52 EDT by Pedro Sampaio
Modified: 2017-08-01 08:52 EDT (History)
3 users (show)

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Description Pedro Sampaio 2017-07-26 15:52:09 EDT
A stack-consumption vulnerability was found in libqpdf in QPDF 6.0.0, which allows attackers to cause a denial of service via a crafted file, related to the QPDFTokenizer::resolveLiteral function in QPDFTokenizer.cc after two consecutive calls to QPDFObjectHandle::parseInternal, aka an "infinite loop".

Upstream bug:

https://github.com/qpdf/qpdf/issues/117

Upstream patch:

https://github.com/jberkenbilt/qpdf/commit/2f56805a397b4d264bcfdfc248765990084c2933
https://github.com/jberkenbilt/qpdf/commit/97c9344c4b878ddc4723486640688d2d3d38ad32
https://github.com/qpdf/qpdf/commit/ac3c81a8edcb44e2669485630d6718c96a6ad6e9

References:

http://somevulnsofadlab.blogspot.com.br/2017/07/qpdfan-infinite-loop-in-libqpdf.html
Comment 1 Pedro Sampaio 2017-07-26 15:52:40 EDT
Created qpdf tracking bugs for this issue:

Affects: epel-6 [bug 1475508]
Affects: fedora-all [bug 1475509]

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