Buffer Overflow in net-snmp NET-SNMP-VACM-MIB INDEX Handling
CVE-2022-24805 affects net-snmp prior to version 5.9.2. The vulnerability is a buffer overflow in handling the INDEX of NET-SNMP-VACM-MIB, which can lead to out-of-bounds memory access. The provided content states that a user with read-only credentials can trigger the flaw. In downstream Citrix XenServer 8 deployments using the affected net-snmp component, exploitation can crash or render the host SNMP service unresponsive.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting XenServer 8 that could allow an attacker on the management network to crash or render the XenServer host SNMP service unresponsive (denial of service).
A net-snmp buffer overflow vulnerability affecting XenServer 8 that may allow an attacker on the management network to cause the XenServer host SNMP service to crash or become unresponsive.
A net-snmp buffer overflow vulnerability that may allow an attacker on the management network to crash or hang the XenServer host SNMP service.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.