CVE-2023-45288 Affecting podman package, versions <4.9.5-150500.3.34.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (16th percentile)

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  • Snyk IDSNYK-SLES156-PODMAN-8720140
  • published13 Feb 2025
  • disclosed12 Feb 2025

Introduced: 12 Feb 2025

NewCVE-2023-45288  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 podman to version 4.9.5-150500.3.34.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream podman package and not the podman package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send. The fix sets a limit on the amount of excess header frames we will process before closing a connection.

CVSS Scores

version 3.1