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Red Hat Security Advisory 2024-5194-03
Red Hat Security Advisory 2024-5194-03 - An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include deserialization and memory exhaustion vulnerabilities.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_5194.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Important: container-tools:rhel8 security updateAdvisory ID: RHSA-2024:5194-03Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2024:5194Issue date: 2024-08-12Revision: 03CVE Names: CVE-2024-6104====================================================================Summary: An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.Description:The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.Security Fix(es):* go-retryablehttp: url might write sensitive information to log file (CVE-2024-6104)* gorilla/schema: Potential memory exhaustion attack due to sparse slice deserialization (CVE-2024-37298)For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.Solution:https://access.redhat.com/articles/11258CVEs:CVE-2024-6104References:https://access.redhat.com/security/updates/classification/#importanthttps://bugzilla.redhat.com/show_bug.cgi?id=2294000https://bugzilla.redhat.com/show_bug.cgi?id=2295010Related news
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### Details Running `schema.Decoder.Decode()` on a struct that has a field of type `[]struct{...}` opens it up to malicious attacks regarding memory allocations, taking advantage of the sparse slice functionality. For instance, in the Proof of Concept written below, someone can specify to set a field of the billionth element and it will allocate all other elements before it in the slice. In the local environment environment for my project, I was able to call an endpoint like `/innocent_endpoint?arr.10000000.X=1` and freeze my system from the memory allocation while parsing `r.Form`. I think [this line](https://github.com/gorilla/schema/blob/main/decoder.go#L223) is responsible for allocating the slice, although I haven't tested to make sure, so it's just an educated guess. ### Proof of Concept The following proof of concept works on both v1.2.0 and v1.2.1. I have not tested earlier versions. ```go package main import ( "fmt" "github.com/gorilla/schema" ) func main() { dec :=...
go-retryablehttp prior to 0.7.7 did not sanitize urls when writing them to its log file. This could lead to go-retryablehttp writing sensitive HTTP basic auth credentials to its log file. This vulnerability, CVE-2024-6104, was fixed in go-retryablehttp 0.7.7.