CVE-2024-2398
HTTP/2 push headers memory-leak
Exploitation likely. EPSS gives it a 36% chance of exploitation in the next 30 days. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit (1000), libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead leaks the memory. Further, this error condition fails silently and is therefore not easily detected by an application.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
36% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 820 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changelow → moderate
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- active iq unified managerHardware Firmware
- ontap select deploy administration utilityHardware Firmware
- brocade fabric operating systemHardware Firmware
- bootstrap osHardware Firmware
- h300s firmwareHardware Firmware
- h410s firmwareHardware Firmware
- h500s firmwareHardware Firmware
- h610c firmwareHardware Firmware
And 8 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Scored 8.6 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity LowData modification is possible but limited in scope or consequence
- Availability LowReduced performance or intermittent disruption of service
Weaknesses
Sources
References in the record
- seclists.org/fulldisclosure/2024/Jul/18
- seclists.org/fulldisclosure/2024/Jul/19
- seclists.org/fulldisclosure/2024/Jul/20
And 35 more references. See all after sign-in
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