PT-2019-4738 · Wind River · Vxworks

Published 2019-08-09 · Updated 2022-06-16 · CVE-2019-12259

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 Wind River VxWorks versions 6.6 through 6.9 and vx7

Description The issue is related to an array index error in the IGMPv3 client component, which can lead to a denial of service (DoS) via NULL dereference in IGMP parsing. This can be exploited by a remote attacker to cause a service disruption.

Recommendations For versions 6.6 through 6.9 and vx7, consider disabling the IGMPv3 client component as a temporary workaround to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

NULL Pointer Dereference

Weakness Enumeration

CWE-362

CWE-476

Related Identifiers

BDU:2020-01290

CVE-2019-12259

Affected Products

Vxworks

References · 15

• https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12259 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-12259 · Vendor Advisory
• https://windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11 · Vendor Advisory
• https://support2.windriver.com/index.php?page=security-notices · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12259 · Security Note
• https://bdu.fstec.ru/vul/2020-01290 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf · Note
• https://security.netapp.com/advisory/ntap-20190802-0001 · Note
• https://support.f5.com/csp/article/K41190253 · Note
• https://belden.com/hubfs/support/security/bulletins/Belden_Security_Bulletin_BSECV-2019-05_1v3.pdf?hsLang=en · Note
• https://t.me/cvenotify/26602 · Telegram Post
• https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12259 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf · Note
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf · Note