PoDoFo 0.9.4 PdfParser.cpp ReadXRefSubsection memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in PoDoFo 0.9.4. This affects the function PoDoFo::PdfParser::ReadXRefSubsection of the file PdfParser.cpp. The manipulation leads to memory corruption.
This vulnerability is uniquely identified as CVE-2017-6844. The attack is possible to be carried out remotely. No exploit exists.
You should upgrade the affected component.
Details
A vulnerability was found in PoDoFo 0.9.4 (Document Reader Software) and classified as critical. This issue affects the function PoDoFo::PdfParser::ReadXRefSubsection of the file PdfParser.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Buffer overflow in the PoDoFo::PdfParser::ReadXRefSubsection function in PdfParser.cpp in PoDoFo 0.9.4 allows remote attackers to have unspecified impact via a crafted file.
The bug was discovered 03/15/2017. The weakness was disclosed 03/15/2017 by Agostino Sarubbo (Website). The advisory is shared at blogs.gentoo.org. The identification of this vulnerability is CVE-2017-6844 since 03/12/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 99740 (Debian DLA-929-1 : libpodofo security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172000 (OpenSUSE Security Update for podofo (openSUSE-SU-2019:0066-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (99740) and SecurityFocus (BID 97032†). The entries VDB-97430, VDB-97431, VDB-97432 and VDB-97433 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 99740
Nessus Name: Debian DLA-929-1 : libpodofo security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 871111
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 929-1] libpodofo security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/01/2017 🔍03/12/2017 🔍
03/15/2017 🔍
03/15/2017 🔍
03/15/2017 🔍
03/16/2017 🔍
04/29/2017 🔍
05/01/2017 🔍
09/09/2020 🔍
Sources
Advisory: blogs.gentoo.orgResearcher: Agostino Sarubbo
Status: Confirmed
CVE: CVE-2017-6844 (🔍)
GCVE (CVE): GCVE-0-2017-6844
GCVE (VulDB): GCVE-100-98177
SecurityFocus: 97032 - podofo CVE-2017-5852 Denial of Service Vulnerability
OSVDB: - CVE-2017-6844 - PoDoFo - Buffer Overflow Issue
See also: 🔍
Entry
Created: 03/16/2017 13:48Updated: 09/09/2020 10:43
Changes: 03/16/2017 13:48 (74), 09/09/2020 10:43 (7)
Complete: 🔍
Cache ID: 216:2C6:103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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