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

Summaryinfo

A vulnerability marked as problematic has been reported in PoDoFo 0.9.6. Affected by this issue is the function PoDoFo::PdfParser::ReadObjects of the file base/PdfParser.cpp. Performing a manipulation as part of PDF File results in input validation. This vulnerability is reported as CVE-2018-15889. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

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. Statistical analysis made it clear that VulDB provides the best quality 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: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
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: 🔍
Active Actors: 🔍
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 (🔍)
GCVE (CVE): GCVE-0-2018-15889
GCVE (VulDB): GCVE-100-123267
See also: 🔍

Entryinfo

Created: 08/27/2018 07:01
Updated: 05/04/2023 16:08
Changes: 08/27/2018 07:01 (53), 03/18/2020 13:12 (9), 05/04/2023 16:03 (3), 05/04/2023 16:08 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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