Out-of-bounds read in Google Android - CVE-2020-0093

Vulnerability identifier: #VU28271

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-0093

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a missing bounds check in "exif_data_save_data_entry" of "exif-data.c" file within the Media framework functionality. A local user can trigger out-of-bounds read error and read contents of memory on the system.

Google Android
Amazon Linux AMI
Gentoo Linux
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for x86_64
Slackware Linux
Opensuse
openEuler
libexif
libexif (Alpine package)
libexif (Ubuntu package)
libexif (Red Hat package)
libexif-debugsource
libexif-help
libexif-devel
libexif-debuginfo
libexif
IBM Tivoli Storage Manager

Install update from vendor's website.

libexif - update to 0.6.22
libexif (Alpine package) - update to 0.6.22-r0
libexif (Ubuntu package) - addressed in versions 0.6.21-2ubuntu0.5, 0.6.21-4ubuntu0.5, 0.6.21-5.1ubuntu0.5, 0.6.21-6ubuntu0.3
libexif (Red Hat package) - addressed in versions 0.6.22-1.el7, 0.6.22-4.el8
libexif-debugsource - addressed in versions 0.6.21-23, 0.6.21-25
libexif-help - addressed in versions 0.6.21-23, 0.6.21-25
libexif-devel - addressed in versions 0.6.21-23, 0.6.21-25
libexif-debuginfo - addressed in versions 0.6.21-23, 0.6.21-25
libexif - addressed in versions 0.6.21-23, 0.6.21-25

• https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
• https://source.android.com/security/bulletin/2020-05-01
• https://android.googlesource.com/platform/external/libexif/+/0335ffc17f9b9a4831c242bb08ea92f605fde7a6

• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in libexif library
• Ubuntu update for libexif
• Amazon Linux AMI update for libexif
• Gentoo update for libexif
• OpenSUSE Linux update for libexif
• Out-of-bounds read in libexif (Alpine package)
• Red Hat Enterprise Linux 7 update for libexif
• Slackware Linux update for libexif
• Red Hat Enterprise Linux 8 update for libexif
• openEuler update for libexif
• openEuler 20.03 LTS SP3 update for libexif
• openEuler 20.03 LTS SP1 update for libexif