VDB-117994 · CVE-2018-11255 · Nessus 120503

PoDoFo 0.9.5 PdfPage.cpp PdfPage::GetPageNumber null pointer dereference

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in PoDoFo 0.9.5 and classified as problematic. This issue affects the function PdfPage::GetPageNumber of the file PdfPage.cpp. The manipulation leads to null pointer dereference. The identification of this vulnerability is CVE-2018-11255. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in PoDoFo 0.9.5 (Document Reader Software) and classified as problematic. This vulnerability affects the function PdfPage::GetPageNumber of the file PdfPage.cpp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in PoDoFo 0.9.5. The function PdfPage::GetPageNumber() in PdfPage.cpp 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 05/08/2018. The weakness was shared 05/18/2018 (Website). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2018-11255 since 05/18/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120503 (Fedora 29 : mingw-podofo / podofo (2018-6b9320d9c9)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published 8 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120503). The entries VDB-112261, VDB-117995, VDB-117993 and VDB-120084 are related to this item. 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: 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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 120503
Nessus Name: Fedora 29 : mingw-podofo / podofo (2018-6b9320d9c9)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

05/08/2018 🔍
05/18/2018 +9 days 🔍
05/18/2018 +0 days 🔍
05/18/2018 +0 days 🔍
05/19/2018 +1 days 🔍
12/25/2018 +220 days 🔍
01/03/2019 +9 days 🔍
03/14/2023 +1531 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-6b9320d9c9
Status: Not defined

CVE: CVE-2018-11255 (🔍)
GCVE (CVE): GCVE-0-2018-11255
GCVE (VulDB): GCVE-100-117994
See also: 🔍

Entryinfo

Created: 05/19/2018 09:13
Updated: 03/14/2023 11:53
Changes: 05/19/2018 09:13 (63), 02/07/2020 13:20 (7), 03/14/2023 11:53 (4)
Complete: 🔍
Cache ID: 216:3F1:103