Meta fairseq load_ema_from_checkpoint allows RCE (ZDI-26-944)
Original title: ZDI-26-944: (0Day) Meta fairseq load_ema_from_checkpoint Deserialization of Untrusted Data Remote Code Execution Vulnerability
A user must open a malicious file or page; ZDI rates the unpatched fairseq flaw CVSS 7.8.
ZDI-26-944 is a zero-day in Meta fairseq's load_ema_from_checkpoint path caused by deserialization of untrusted data. Remote attackers can execute arbitrary code on affected installations after a user visits a malicious page or opens a malicious file. ZDI assigned CVSS 7.8. The snippet lists no versions, fix, or CVE.
Unconfirmed: Exploitation in the wild, affected versions, and a fix are not stated.
- The issue is in load_ema_from_checkpoint.
- ZDI marks it a zero-day scored 7.8.
- Code execution requires user interaction.
- No patch level or CVE is named.
Impact: Remote arbitrary code execution after user interaction
| Product | Affected |
|---|---|
| Meta fairseq | — |
- 1.Do not load untrusted checkpoints or open untrusted pages in fairseq.
- Vendors
- Meta
- Products
- fairseq
- Organizations
- Zero Day Initiative
From the original article
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Meta fairseq. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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