CVE-2018-20030: flexera software llc libexif Uncontrolled Resource Consumption
CVSS: 7.8v2.0HighModified
AliasesALPINE-CVE-2018-20030MGASA-2019-0095UBUNTU-CVE-2018-20030DEBIAN-CVE-2018-20030
Published 20-02-2019Last modified 17-09-2024
Vulnerability summary
CVE-2018-20030 is a high (CVSS 7.8) Uncontrolled Resource Consumption vulnerability in flexera software llc libexif. EPSS estimates a 3.80% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
3.80%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 12 · Related 10Timeline
- 20-02-2019PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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 metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
3.80%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.80% on 19-09-2026
19-09-202619-10-2026
EPSS score3.80%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- libexif< 0.6.22-r0
Debian1 product
- libexif< 0.6.21-5.1
Flexera software llc1 product
- libexif0.6.21
Libexif_project1 product
- libexif0.6.21
Mageia1 product
- libexif< 0.6.21-9.3.mga6
Ubuntu1 product
- libexif< 0.6.21-1ubuntu1+esm2 | < 0.6.21-2ubuntu0.2 | < 0.6.21-4ubuntu0.2
6 vendors · 6 products
References
15 links- github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89X Refsource MISCPatchThird Party Advisory
- secuniaresearch.flexerasoftware.com/secunia_research/2018-28/X Refsource MISCThird Party AdvisoryREPORT
