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CVE-2022-34903: ⚓ T6027 Revisit write_status_text_and buffer

GnuPG through 2.3.6, in unusual situations where an attacker possesses any secret-key information from a victim’s keyring and other constraints (e.g., use of GPGME) are met, allows signature forgery via injection into the status line.

CVE

Event Timeline

werner triaged this task as High priority.Mon, Jun 13, 12:35 PM

werner created this task.

werner created this object with edit policy "Contributor (Project)".

werner added a comment.Tue, Jun 14, 11:31 AM

Comment Actions

Here is a test signature with long notation data. During verification gpg faults when emitting the NOTATION_DATA lines.

s-sig.asc11 KBDownload

.

werner added a commit: rG34c649b36013: g10: Fix garbled status messages in NOTATION_DATA.Tue, Jun 14, 11:35 AM

werner added a commit: rG7b1db7192e6e: g10: Fix garbled status messages in NOTATION_DATA.Tue, Jun 14, 11:41 AM

werner closed this task as Resolved.Tue, Jun 14, 11:42 AM

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