PT-2021-7478 · Unknown+4 · Json Smart+5

Published 2021-04-16 · Updated 2024-06-21 · CVE-2021-31684

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions JSON Smart versions prior to 1.3.3 and 2.4.5

Description A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart, which causes a denial of service (DOS) via a crafted web request. The issue is related to a buffer overflow in memory, allowing a remote attacker to cause a denial of service by sending specially crafted web requests.

Recommendations For versions prior to 1.3.3, update to version 1.3.3 or later. For versions prior to 2.4.5, update to version 2.4.5 or later. As a temporary workaround, consider disabling the indexOf function in JSONParserByteArray until a patch is available.

Exploit

Fix

DoS

Out of bounds Read

Memory Corruption

Weakness Enumeration

CWE-125

CWE-787

Related Identifiers

BDU:2022-06727

CVE-2021-31684

DLA-3373-1

GHSA-FG2V-W576-W4V3

USN-6011-1

Affected Products

Astra Linux

Confluence

Json Smart

Jira Service Management Server

Linuxmint

Ubuntu

References · 30

• 🔥 https://github.com/netplex/json-smart-v2/issues/67 · Exploit
• https://github.com/netplex/json-smart-v2/pull/68 · Patch
• https://github.com/netplex/json-smart-v1/pull/11 · Patch
• https://osv.dev/vulnerability/GHSA-fg2v-w576-w4v3 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31684 · Security Note
• https://ubuntu.com/security/CVE-2021-31684 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31684 · Security Note
• https://ubuntu.com/security/notices/USN-6011-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3373-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-31684 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-31684 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31684 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1370 · Vendor Advisory
• https://oracle.com/security-alerts/cpujan2022.html · Patch
• https://osv.dev/vulnerability/USN-6011-1 · Vendor Advisory