libexif up to 0.6.21 Canon EXIF MakerNote null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in libexif up to 0.6.21. It has been classified as critical. This affects an unknown part of the component Canon EXIF MakerNote Handler. The manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2020-13113. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in libexif up to 0.6.21. This issue affects an unknown code block of the component Canon EXIF MakerNote Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.

The weakness was released 05/21/2020. The identification of this vulnerability is CVE-2020-13113 since 05/16/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.6.22 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-155532 and VDB-155530. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Null pointer dereference
CWE: CWE-476 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libexif 0.6.22

Timelineinfo

05/16/2020 🔍
05/21/2020 +5 days 🔍
05/22/2020 +1 days 🔍
05/22/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-13113 (🔍)
GCVE (CVE): GCVE-0-2020-13113
GCVE (VulDB): GCVE-100-155531
See also: 🔍

Entryinfo

Created: 05/22/2020 08:49
Updated: 05/22/2020 08:54
Changes: 05/22/2020 08:49 (38), 05/22/2020 08:54 (17)
Complete: 🔍
Cache ID: 216::103

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

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