DjVuLibre 3.5.27 libdjvu/JB2Image.h get_direct_context out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in DjVuLibre 3.5.27 and classified as critical. This issue affects the function JB2Dict::JB2Codec::get_direct_context of the file libdjvu/JB2Image.h. The manipulation results in out-of-bounds. This vulnerability was named CVE-2019-15145. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in DjVuLibre 3.5.27. It has been classified as critical. Affected is the function JB2Dict::JB2Codec::get_direct_context of the file libdjvu/JB2Image.h. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

DjVuLibre 3.5.27 allows attackers to cause a denial-of-service attack (application crash via an out-of-bounds read) by crafting a corrupted JB2 image file that is mishandled in JB2Dict::JB2Codec::get_direct_context in libdjvu/JB2Image.h because of a missing zero-bytes check in libdjvu/GBitmap.h.

The weakness was presented 08/18/2019 (Website). The advisory is available at lists.fedoraproject.org. This vulnerability is traded as CVE-2019-15145 since 08/18/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details 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.

See VDB-140295, VDB-140296 and VDB-140297 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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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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-2019-15145 (🔍)
GCVE (CVE): GCVE-0-2019-15145
GCVE (VulDB): GCVE-100-140298
See also: 🔍

Entryinfo

Created: 08/19/2019 08:31
Updated: 11/26/2023 14:37
Changes: 08/19/2019 08:31 (55), 07/30/2020 21:20 (1), 11/26/2023 14:37 (3)
Complete: 🔍
Cache ID: 216::103

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