CVE-2020-5234GHSA-7Q36-4XX7-XCXF
Untrusted data can lead to DoS attack in MessagePack for C# and Unity
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.9.11, 2.1.90
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
MessagePack for C# and Unity before version 1.9.11 and 2.1.90 has a vulnerability where untrusted data can lead to DoS attack due to hash collisions and stack overflow. Review the linked GitHub Security Advisory for more information and remediation steps.
Timeline
- CVE published
- Record last updated
Affected versions
- neuecc MessagePack
fixed in 1.9.11; From 2.0.0 · fixed in 2.1.90
- neuecc MessagePack.ImmutableCollection
fixed in 1.9.11; From 2.0.0 · fixed in 2.1.90
- neuecc MessagePack.ReactiveProperty
fixed in 1.9.11; From 2.0.0 · fixed in 2.1.90
- neuecc MessagePack.UnityShims
fixed in 1.9.11; From 2.0.0 · fixed in 2.1.90
- MessagePackNuGet
fixed in 1.9.11
- MessagePackNuGet
From 2.0.0 · fixed in 2.1.90
- MessagePack.ImmutableCollectionNuGet
fixed in 1.9.11
- MessagePack.ImmutableCollectionNuGet
From 2.0.0 · fixed in 2.1.90
- MessagePack.ReactivePropertyNuGet
fixed in 1.9.11
- MessagePack.ReactivePropertyNuGet
From 2.0.0 · fixed in 2.1.90
- MessagePack.UnityShimsNuGet
fixed in 1.9.11
- MessagePack.UnityShimsNuGet
From 2.0.0 · fixed in 2.1.90
- MessagePack.UnityNuGet
fixed in 1.9.11
- MessagePack.UnityNuGet
From 2.0.0 · fixed in 2.1.90