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Untrusted data can lead to DoS attack due to hash collisions and stack overflow in MessagePack
Untrusted data can lead to DoS attack due to hash collisions and stack overflow in MessagePack
Affected packages
- MessagePack— before 1.9.11
- MessagePack.ImmutableCollection— before 1.9.11
- MessagePack.ReactiveProperty— before 1.9.11
- MessagePack.Unity— before 1.9.11
- MessagePack.UnityShims— before 1.9.11
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/MessagePack-CSharp/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf
- https://github.com/neuecc/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf
- https://nvd.nist.gov/vuln/detail/CVE-2020-5234
- https://github.com/aspnet/Announcements/issues/405
- https://github.com/neuecc/MessagePack-CSharp/issues/810
- https://github.com/neuecc/MessagePack-CSharp/commit/56fa86219d01d0a183babbbbcb34abbdea588a02
- https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007
- https://github.com/MessagePack-CSharp/MessagePack-CSharp
Structured record: https://osv.dev/vulnerability/GHSA-7q36-4xx7-xcxf
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