Vulnerability CVE-2018-20030
Published: 2019-02-20   Modified: 2019-02-21

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
libexif 0.6.21 Denial Of Service
Laurent Delosier...
18.12.2018

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Libexif project -> Libexif 

 References:
https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
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