High severity · published Feb 20, 2019
CVE-2018-20030
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
7.5
CVSS
3.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libexif · Flexera Software LLC
0.6.21 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20030
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20030
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
Patch
https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
lists.debian.org
https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html
Third Party Advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/