PoDoFo 0.9.5 PdfFontFactory.cpp null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in PoDoFo 0.9.5. Impacted is an unknown function of the file PdfFontFactory.cpp. The manipulation results in null pointer dereference. This vulnerability was named CVE-2017-7383. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in PoDoFo 0.9.5 (Document Reader Software). It has been classified as problematic. Affected is an unknown code block of the file PdfFontFactory.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. CVE summarizes:

The PdfFontFactory.cpp:195:62 code in PoDoFo 0.9.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted PDF document.

The bug was discovered 03/31/2017. The weakness was presented 04/03/2017 by Agostino Sarubbo (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2017-7383 since 03/31/2017. 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. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. 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 172074 (SUSE Enterprise Linux Security Update for podofo (SUSE-SU-2019:0393-1)).

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 databases at Tenable (100517) and SecurityFocus (BID 97296†). See VDB-98173, VDB-98175, VDB-98176 and VDB-98178 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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

03/31/2017 🔍
03/31/2017 +0 days 🔍
04/01/2017 +1 days 🔍
04/03/2017 +2 days 🔍
04/03/2017 +0 days 🔍
04/03/2017 +0 days 🔍
05/30/2017 +57 days 🔍
05/31/2017 +1 days 🔍
08/25/2020 +1182 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Agostino Sarubbo
Status: Confirmed

CVE: CVE-2017-7383 (🔍)
GCVE (CVE): GCVE-0-2017-7383
GCVE (VulDB): GCVE-100-99258
SecurityFocus: 97296 - podofo Null Pointer Dereference Denial of Service and Heap Based Buffer Overflow Vulnerabilities
OSVDB: - CVE-2017-7383 - PoDoFo - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/03/2017 17:02
Updated: 08/25/2020 14:50
Changes: 04/03/2017 17:02 (73), 08/25/2020 14:50 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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