Amazon Linux 2 : libexif (ALAS-2020-1523)

high Nessus Plugin ID 141959

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1523 advisory.

- In libexif, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege in the media content provider with no additional execution privileges needed. User interaction is needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-112537774 (CVE-2019-9278)

- In exif_data_save_data_entry of exif-data.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-148705132 (CVE-2020-0093)

- In exif_entry_get_value of exif-entry.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed.
User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID:
A-147140917 (CVE-2020-0182)

- exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error. (CVE-2020-12767)

- An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions. (CVE-2020-13113)

- An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead to consumption of large amounts of compute time for decoding EXIF data. (CVE-2020-13114)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update libexif' to update your system.

Plugin Details

Severity: High

ID: 141959

File Name: al2_ALAS-2020-1523.nasl

Version: 1.2

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 10/28/2020

Updated: 10/28/2020

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-9278

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libexif-doc, p-cpe:/a:amazon:linux:libexif-devel, p-cpe:/a:amazon:linux:libexif-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libexif

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 10/22/2020

Vulnerability Publication Date: 9/27/2019

Reference Information

CVE: CVE-2019-9278, CVE-2020-0093, CVE-2020-0182, CVE-2020-12767, CVE-2020-13113, CVE-2020-13114

ALAS: 2020-1523

Detections

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