PT-2018-1979 · Ruby+4 · Rubygems+4

Published 2018-03-13 · Updated 2022-05-13 · CVE-2018-1000075

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions RubyGems versions prior to 2.7.6

Description The issue is related to incorrect handling of the tar archive header in RubyGems, which can lead to the formation of an infinite loop. Exploitation of this issue may allow a remote attacker to cause a denial of service.

Recommendations For versions prior to 2.7.6, update to version 2.7.6 or later to resolve the issue. As a temporary workaround, consider restricting the use of the tar header processing functionality in RubyGems until a patch is available.

Exploit

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

BDU:2018-01595

CESA-2019_2028

CVE-2018-1000075

DLA-1336-1

DLA-1337-1

DLA-1358-1

DLA-1421-1

DLA-1796-1

DSA-4219-1

DSA-4259-1

GHSA-74PV-V9GH-H25P

MGASA-2019-0062

MGASA-2020-0243

OPENSUSE-SU-2019:1771-1

OPENSUSE-SU-2019_1771-1

RHSA-2018:3729

RHSA-2018:3730

RHSA-2018:3731

RHSA-2019:2028

RHSA-2019_2028

RHSA-2020:0542

RHSA-2020:0591

RHSA-2020:0663

SUSE-SU-2019:1804-1

SUSE-SU-2020:1570-1

SUSE-SU-2020_1570-1

USN-3621-1

Affected Products

Centos

Red Hat

Rubygems

Suse

Ubuntu

References · 143

• 🔥 https://github.com/rails-lts/json_cve_2020_10663 · Exploit
• https://github.com/rubygems/rubygems/commit/92e98bf8f810bd812f919120d4832df51bc25d83 · Patch
• https://security-tracker.debian.org/tracker/CVE-2018-1000075 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2019-0062.html · Security Note
• https://access.redhat.com/errata/RHSA-2020:0542 · Vendor Advisory
• https://debian.org/security/2018/dsa-4219 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-2028.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3621-1 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4219-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0243 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2018:3730 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3621-1 · Vendor Advisory
• http://blog.rubygems.org/2018/02/15/2.7.6-released.html · Vendor Advisory