PT-2021-5062 · Wireshark+2 · Wireshark+2

Doneing · Published 2021-11-17 · Updated 2024-06-15 · CVE-2021-39926

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 Wireshark versions 3.4.0 through 3.4.9

Description The issue is caused by a buffer overflow in the Bluetooth HCI ISO dissector. This can be exploited by a remote attacker to cause a denial of service via packet injection or crafted capture file.

Recommendations For Wireshark versions 3.4.0 through 3.4.9, update to a version that contains a fix for this issue to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALT-PU-2021-3354

ALT-PU-2022-1096

ALT-PU-2022-1368

ALT-PU-2022-1599

AZL-7414

BDU:2021-05837

CVE-2021-39926

DSA-5019-1

MGASA-2021-0518

OPENSUSE-SU-2021:1566-1

OPENSUSE-SU-2021:3938-1

OPENSUSE-SU-2021_1566-1

OPENSUSE-SU-2021_3938-1

OPENSUSE-SU-2024:11641-1

SUSE-SU-2021:3938-1

Affected Products

Alt Linux

Suse

Wireshark

References · 53

• 🔥 https://gitlab.com/wireshark/wireshark/-/issues/17649 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-39926 · Security Note
• https://osv.dev/vulnerability/DSA-5019-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ · Vendor Advisory
• https://wireshark.org/security/wnpa-sec-2021-08.html · Vendor Advisory
• https://debian.org/security/2021/dsa-5019 · Vendor Advisory
• https://security.gentoo.org/glsa/202210-04 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39926 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39926 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-39926 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-7414 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39926 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2021:3938-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-39926 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:3938-1 · Vendor Advisory