PoDoFo 0.9.6 base/PdfParser.cpp ReadObjects PDF File input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability, which was classified as problematic, was found in PoDoFo 0.9.6 (Document Reader Software). This affects the function PoDoFo::PdfParser::ReadObjects of the file base/PdfParser.cpp. The manipulation as part of a PDF File leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

In podofo 0.9.6, the function PoDoFo::PdfParser::ReadObjects() in base/PdfParser.cpp can cause the program to be aborted, because PoDoFo::PdfVecObjects::Reserve() in base/PdfVecObjects.h can be called with a large size value. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted pdf file.

The bug was discovered 08/24/2018. The weakness was disclosed 08/26/2018 (Website). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2018-15889 since 08/26/2018. 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 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 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 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120503). The entries VDB-112261, VDB-117994, VDB-117995 and VDB-117993 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/24/2018 🔍
08/26/2018 +1 days 🔍
08/26/2018 +0 days 🔍
08/26/2018 +0 days 🔍
08/27/2018 +1 days 🔍
12/25/2018 +120 days 🔍
01/03/2019 +9 days 🔍
05/04/2023 +1582 days 🔍

Sourcesinfo

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

CVE: CVE-2018-15889 (🔍)
See also: 🔍

Entryinfo

Created: 08/27/2018 07:01 AM
Updated: 05/04/2023 04:08 PM
Changes: 08/27/2018 07:01 AM (53), 03/18/2020 01:12 PM (9), 05/04/2023 04:03 PM (3), 05/04/2023 04:08 PM (1)
Complete: 🔍
Cache ID: 18:17F:40

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