CVE-2024-28867 Swift Prometheus un-sanitized metric name or labels can be used to take over exported metrics
Attackers can inject malicious characters into metric names or labels to corrupt exported metrics and cause memory exhaustion in Swift Prometheus clients.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-28867?
CVE-2024-28867 is a medium-severity vulnerability in swift-server swift-prometheus, published on 29 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Swift Prometheus is a Swift client for the Prometheus monitoring system, supporting counters, gauges and histograms. In code which applies _un-sanitized string values into metric names or labels_, an attacker could make use of this and send a `?lang` query parameter containing newlines, `}` or similar characters which can lead to the attacker taking over the exported format -- including creating unbounded numbers of stored metrics, inflating server memory usage, or causing "bogus" metrics. This vulnerability is fixed in2.0.0-alpha.2.
Weakness: CWE-74
Which versions are affected by CVE-2024-28867?
2 open source packages ship an affected version, including github.com/swift-server/swift-prometheus. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/swift-server/swift-prometheus SwiftURL | From 2.0.0-alpha.1 | 2.0.0-alpha.2 |
github.com/swift-server/swift-prometheus SwiftURL | From 2.0.0-alpha.1 | 2.0.0-alpha.2 |
Products include Apple Swift Prometheus.
How do I fix CVE-2024-28867?
Upgrade github.com/swift-server/swift-prometheus to 2.0.0-alpha.2 or later.
Is CVE-2024-28867 being exploited?
There is no known exploitation of CVE-2024-28867 in the wild and no public exploit code.
Sources
Also known as GHSA-x768-cvr2-345r.