PT-2019-4730 · Wind River · Vxworks

Published 2019-08-09 · Updated 2022-06-16 · CVE-2019-12255

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Wind River VxWorks (affected versions not specified)

Description The issue is related to a Buffer Overflow in the TCP component of Wind River VxWorks, which is caused by an integer underflow when the TCP Urgent Pointer is set to 0. This can be exploited by a remote attacker to cause a denial of service by sending specially crafted TCP packets.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Underflow

Buffer Overflow

Weakness Enumeration

CWE-191

CWE-120

Related Identifiers

BDU:2020-01281

CVE-2019-12255

Affected Products

Vxworks

References · 20

• 🔥 https://github.com/sud0woodo/Urgent11-Suricata-LUA-scripts · Exploit
• 🔥 http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html · Exploit
• 🔥 https://exploit-db.com/exploits/47233 · Exploit
• https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255 · 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://bdu.fstec.ru/vul/2020-01281 · Security Note
• https://osv.dev/vulnerability/CVE-2019-12255 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12255 · 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://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255 · Note
• https://support.f5.com/csp/article/K41190253?utm_source=f5support&amp%3Butm_medium=RSS · Note
• https://t.me/true_secator/2696 · Telegram Post