PoDoFo 0.9.5 PDF File PdfXRefStreamParserObject.cpp:224 ReadXRefStreamEntry memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in PoDoFo 0.9.5. This vulnerability affects the function PoDoFo::PdfXRefStreamParserObject::ReadXRefStreamEntry of the file base/PdfXRefStreamParserObject.cpp:224 of the component PDF File Handler. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-8787. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in PoDoFo 0.9.5 (Document Reader Software). Affected is the function PoDoFo::PdfXRefStreamParserObject::ReadXRefStreamEntry of the file base/PdfXRefStreamParserObject.cpp:224 of the component PDF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The PoDoFo::PdfXRefStreamParserObject::ReadXRefStreamEntry function in base/PdfXRefStreamParserObject.cpp:224 in PoDoFo 0.9.5 allows remote attackers to cause a denial of service (heap-based buffer over-read) or possibly have unspecified other impact via a crafted PDF file.

The bug was discovered 05/03/2017. The weakness was shared 05/05/2017 by Agostino Sarubbo (Website). The advisory is shared for download at bugs.debian.org. This vulnerability is traded as CVE-2017-8787 since 05/05/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 112081 (SUSE SLED12 Security Update : podofo (SUSE-SU-2018:2481-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE 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 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112081) and SecurityFocus (BID 97032†). The entries VDB-97430, VDB-97431, VDB-97432 and VDB-97433 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 112081
Nessus Name: SUSE SLED12 Security Update : podofo (SUSE-SU-2018:2481-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/01/2017 🔍
05/03/2017 +63 days 🔍
05/05/2017 +2 days 🔍
05/05/2017 +0 days 🔍
05/05/2017 +0 days 🔍
05/05/2017 +0 days 🔍
08/22/2018 +474 days 🔍
08/23/2018 +1 days 🔍
09/24/2020 +763 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Researcher: Agostino Sarubbo
Status: Confirmed

CVE: CVE-2017-8787 (🔍)
GCVE (CVE): GCVE-0-2017-8787
GCVE (VulDB): GCVE-100-100884
SecurityFocus: 97032 - podofo CVE-2017-5852 Denial of Service Vulnerability
OSVDB: - CVE-2017-8787 - Podofo Project - Podofo - Medium

See also: 🔍

Entryinfo

Created: 05/05/2017 15:55
Updated: 09/24/2020 09:24
Changes: 05/05/2017 15:55 (76), 09/24/2020 09:24 (7)
Complete: 🔍
Cache ID: 216::103

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