VDB-140295 · CVE-2019-15142 · USN-4198-1

DjVuLibre 3.5.27 DJVU Reader DjVmDir.cpp GStringRep::strdup DJVU File memory corruption

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in DjVuLibre 3.5.27. Affected by this issue is the function GStringRep::strdup of the file DjVmDir.cpp of the component DJVU Reader. Performing a manipulation as part of DJVU File results in memory corruption. This vulnerability is known as CVE-2019-15142. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in DjVuLibre 3.5.27. This affects the function GStringRep::strdup of the file DjVmDir.cpp of the component DJVU Reader. The manipulation as part of a DJVU File leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In DjVuLibre 3.5.27, DjVmDir.cpp in the DJVU reader component allows attackers to cause a denial-of-service (application crash in GStringRep::strdup in libdjvu/GString.cpp caused by a heap-based buffer over-read) by crafting a DJVU file.

The weakness was published 08/18/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. This vulnerability is uniquely identified as CVE-2019-15142 since 08/18/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-140296, VDB-140297 and VDB-140298. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

DjVuLibre

Version

3.5.27

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/18/2019 🔍
08/18/2019 +0 days 🔍
08/19/2019 +1 days 🔍
11/26/2023 +1560 days 🔍

Sourcesinfo

Advisory: USN-4198-1
Status: Not defined

CVE: CVE-2019-15142 (🔍)
GCVE (CVE): GCVE-0-2019-15142
GCVE (VulDB): GCVE-100-140295
See also: 🔍

Entryinfo

Created: 08/19/2019 08:29
Updated: 11/26/2023 14:34
Changes: 08/19/2019 08:29 (56), 07/30/2020 20:58 (1), 11/26/2023 14:34 (3)
Complete: 🔍
Cache ID: 216:478:103