Poppler 0.68.0 Parser.cc Parser::getObj resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Poppler 0.68.0. Impacted is the function Parser::getObj of the file Parser.cc. The manipulation leads to resource consumption. This vulnerability is traded as CVE-2018-16646. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Poppler 0.68.0 (Document Reader Software). This issue affects the function Parser::getObj of the file Parser.cc. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may cause infinite recursion via a crafted file. A remote attacker can leverage this for a DoS attack.

The bug was discovered 09/06/2018. The weakness was shared 09/06/2018 as Bug 1622951 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2018-16646 since 09/06/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 118578 (Debian DLA-1562-3 : poppler regression 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 197321 (Ubuntu Security Notification for Poppler Vulnerabilities (USN-3837-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118578) and SecurityFocus (BID 106031†). The entries VDB-126534, VDB-126535, VDB-126536 and VDB-126645 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118578
Nessus Name: Debian DLA-1562-3 : poppler regression 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

09/06/2018 🔍
09/06/2018 +0 days 🔍
09/06/2018 +0 days 🔍
09/06/2018 +0 days 🔍
09/07/2018 +1 days 🔍
11/01/2018 +55 days 🔍
11/08/2018 +7 days 🔍
12/14/2018 +36 days 🔍
05/26/2020 +529 days 🔍

Sourcesinfo

Advisory: Bug 1622951
Status: Confirmed

CVE: CVE-2018-16646 (🔍)
GCVE (CVE): GCVE-0-2018-16646
GCVE (VulDB): GCVE-100-123689
SecurityFocus: 106031 - Poppler CVE-2018-19149 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 09/07/2018 07:39
Updated: 05/26/2020 09:03
Changes: 09/07/2018 07:39 (75), 05/26/2020 09:03 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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