PoDoFo 0.9.5 colorchanger.cpp GetColorFromStack null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in PoDoFo 0.9.5. It has been rated as problematic. Affected by this vulnerability is the function ColorChanger::GetColorFromStack of the file colorchanger.cpp. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2017-6842. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in PoDoFo 0.9.5 (Document Reader Software). This affects the function ColorChanger::GetColorFromStack of the file colorchanger.cpp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

The ColorChanger::GetColorFromStack function in colorchanger.cpp in PoDoFo 0.9.5 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file.

The bug was discovered 03/15/2017. The weakness was published 03/15/2017 (Website). It is possible to read the advisory at blogs.gentoo.org. This vulnerability is uniquely identified as CVE-2017-6842 since 03/12/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 100517 (Debian DLA-968-1 : 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 277333 (Fedora Security Update for mingw-podofo (FEDORA-2018-578fa05659)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100517). Similar entries are available at VDB-98173, VDB-98176, VDB-98180 and VDB-98181. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100517
Nessus Name: Debian DLA-968-1 : libpodofo security update
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

03/12/2017 🔍
03/15/2017 +3 days 🔍
03/15/2017 +0 days 🔍
03/15/2017 +0 days 🔍
03/16/2017 +1 days 🔍
05/30/2017 +75 days 🔍
05/31/2017 +1 days 🔍
09/09/2020 +1197 days 🔍

Sourcesinfo

Advisory: blogs.gentoo.org
Status: Not defined

CVE: CVE-2017-6842 (🔍)
GCVE (CVE): GCVE-0-2017-6842
GCVE (VulDB): GCVE-100-98175
OSVDB: - CVE-2017-6842 - PoDoFo - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/16/2017 13:47
Updated: 09/09/2020 10:22
Changes: 03/16/2017 13:47 (71), 09/09/2020 10:22 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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