CVE-2023-46258

published 2023-12-19

CVE-2023-46258: An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or…

Priority P2 67 critical 9.8 CVSS 3.1

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

An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or code execution.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
ivanti	avalanche	< 6.4.2	6.4.2
ivanti	avalanche	—	—
ivanti	avalanche	6.4.1 – 6.4.1	—

Detection & IOCs extracted from sources · hover to see the quote

• → Target service for exploitation is the Ivanti Avalanche Mobile Device Server (WLAvalancheService); monitor for specially crafted data packets sent to this service that may indicate heap overflow exploitation attempts. ↗
• → The vulnerable component is WLAvalancheService in Ivanti Avalanche; alert on unexpected crashes, restarts, or anomalous memory usage in this process as indicators of DoS or code execution exploitation. ↗

• · The vulnerability is a heap overflow in the Mobile Device Server component; ensure the Ivanti Avalanche Mobile Device Server is not exposed directly to untrusted networks, as exploitation requires sending crafted packets to it. ↗

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v3.0 9.8 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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