VDB-131046 · CVE-2018-20030 · Qualys 277613

libexif 0.6.21 EXIF_IFD_INTEROPERABILITY/EXIF_IFD_EXIF resource consumption

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 libexif 0.6.21. It has been declared as problematic. This vulnerability affects unknown code. The manipulation of the argument EXIF_IFD_INTEROPERABILITY/EXIF_IFD_EXIF results in resource consumption. This vulnerability is identified as CVE-2018-20030. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in libexif 0.6.21. It has been classified as problematic. Affected is some unknown processing. The manipulation of the argument EXIF_IFD_INTEROPERABILITY/EXIF_IFD_EXIF with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.

The bug was discovered 12/18/2018. The weakness was released 02/20/2019 (Website). The advisory is available at lists.opensuse.org. This vulnerability is traded as CVE-2018-20030 since 12/10/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 64 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277613 (Fedora Security Update for libexif (FEDORA-2019-e2f47b40a3)).

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

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Productinfo

Name

Version

License

Website

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/10/2018 🔍
12/18/2018 +8 days 🔍
02/20/2019 +64 days 🔍
02/21/2019 +1 days 🔍
07/11/2023 +1601 days 🔍

Sourcesinfo

Product: github.com

Advisory: 6aa11df549114ebda520dde4cdaea2f9357b2c89
Status: Not defined

CVE: CVE-2018-20030 (🔍)
GCVE (CVE): GCVE-0-2018-20030
GCVE (VulDB): GCVE-100-131046

Entryinfo

Created: 02/21/2019 07:59
Updated: 07/11/2023 15:02
Changes: 02/21/2019 07:59 (55), 05/11/2020 16:39 (2), 07/11/2023 14:58 (4), 07/11/2023 15:02 (1)
Complete: 🔍
Cache ID: 216::103

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