CVE-2020-13112: canonical ubuntu_linux Out-of-bounds Read
CVSS: 9.1v3.1CriticalModified
AliasesALPINE-CVE-2020-13112RHSA-2020:2474RHSA-2020:2516RHSA-2020:2549RHSA-2020:2550RHSA-2020:2672UBUNTU-CVE-2020-13112DEBIAN-CVE-2020-13112
Published 21-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-13112 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.75% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
2.75%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 6Timeline
- 21-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crashes. This is different from CVE-2020-0093.
CVSS metrics
6 scores · 5 sources · 2 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · Red hatEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.75%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
+0.07 pp
From 2.68% on 19-09-2026
19-09-202619-10-2026
EPSS score2.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat5 products
- libexif< 0:0.6.21-17.el8_0 | < 0:0.6.21-6.el6_10 | < 0:0.6.21-7.el7_8 | < 0:0.6.21-17.el8_2 | < 0:0.6.21-17.el8_1
- libexif-debuginfo< 0:0.6.21-17.el8_0 | < 0:0.6.21-6.el6_10 | < 0:0.6.21-7.el7_8 | < 0:0.6.21-17.el8_2 | < 0:0.6.21-17.el8_1
- libexif-debugsource< 0:0.6.21-17.el8_0 | < 0:0.6.21-17.el8_2 | < 0:0.6.21-17.el8_1
- libexif-devel< 0:0.6.21-6.el6_10 | < 0:0.6.21-7.el7_8 | < 0:0.6.21-17.el8_2 | < 0:0.6.21-17.el8_1
- libexif-doc< 0:0.6.21-7.el7_8
Debian2 products
- libexif< 0.6.21-9
- debian_linuxEOL8.0
Alpine1 product
- libexif< 0.6.22-r0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.10 | 20.04
Libexif_project1 product
- libexif< 0.6.22
Opensuse1 product
- leapEOL15.1
Ubuntu1 product
- libexif< 0.6.21-1ubuntu1+esm5 | < 0.6.21-2ubuntu0.5 | < 0.6.21-4ubuntu0.5 | < 0.6.21-6ubuntu0.3
7 vendors · 12 products
References
24 links- github.com/libexif/libexif/commit/435e21f05001fb03f9f186fa7cbc69454afd00d1X Refsource MISCPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2020/05/msg00025.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
