VDB-114348 · CVE-2018-8000 · Nessus 110689

PoDoFo 0.9.5 PDF File PdfTokenizer.cpp GetNextToken memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in PoDoFo 0.9.5. This vulnerability affects the function PoDoFo::PdfTokenizer::GetNextToken of the file PdfTokenizer.cpp of the component PDF File Handler. The manipulation results in memory corruption. This vulnerability was named CVE-2018-8000. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in PoDoFo 0.9.5 (Document Reader Software). Affected is the function PoDoFo::PdfTokenizer::GetNextToken of the file PdfTokenizer.cpp 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:

In PoDoFo 0.9.5, there exists a heap-based buffer overflow vulnerability in PoDoFo::PdfTokenizer::GetNextToken() in PdfTokenizer.cpp, a related issue to CVE-2017-5886. Remote attackers could leverage this vulnerability to cause a denial-of-service or potentially execute arbitrary code via a crafted pdf file.

The bug was discovered 03/09/2018. The weakness was presented 03/09/2018 (Website). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2018-8000 since 03/09/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 110689 (Fedora 27 : mingw-podofo (2018-2807317e7a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277333 (Fedora Security Update for mingw-podofo (FEDORA-2018-578fa05659)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110689). See VDB-98175, VDB-98176, VDB-98178 and VDB-98181 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Document Reader Software

Name

PoDoFo

Version

0.9.5

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 110689
Nessus Name: Fedora 27 : mingw-podofo (2018-2807317e7a)
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

03/09/2018 🔍
03/09/2018 +0 days 🔍
03/09/2018 +0 days 🔍
03/09/2018 +0 days 🔍
03/11/2018 +2 days 🔍
06/25/2018 +106 days 🔍
06/26/2018 +1 days 🔍
02/21/2023 +1701 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-2807317e7a
Status: Not defined

CVE: CVE-2018-8000 (🔍)
GCVE (CVE): GCVE-0-2018-8000
GCVE (VulDB): GCVE-100-114348
See also: 🔍

Entryinfo

Created: 03/11/2018 08:18
Updated: 02/21/2023 09:14
Changes: 03/11/2018 08:18 (72), 01/12/2020 11:08 (3), 02/21/2023 09:09 (4), 02/21/2023 09:14 (1)
Complete: 🔍
Cache ID: 216::103