From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8B1083858C83; Tue, 7 Feb 2023 16:01:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8B1083858C83 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1675785661; bh=QO+1VnaXeHLq0FX7D7heMW/b3KXGq0Ztr6jaq5AZQhs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=K2aM23woqRCUP/gUu7COgxTE7vt3GnvMFUdPdlhGEPQUIqFLgLshkfQooFquAtkhe 6ffH+1NtMbYSAhc3XDMEyHM+6+gAUKO4IIJPFY307gBKBKBT+mu7JlWCzFOn1xKxv7 8mSOuAlaH/qDIHke6W7ESxn76UEODhQcsFdvWxdA= From: "siddhesh at sourceware dot org" To: glibc-bugs@sourceware.org Subject: [Bug libc/29444] gmon memory corruption due wrong calculation of required buffer size Date: Tue, 07 Feb 2023 16:01:01 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: libc X-Bugzilla-Version: 2.38 X-Bugzilla-Keywords: X-Bugzilla-Severity: minor X-Bugzilla-Who: siddhesh at sourceware dot org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: security- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://sourceware.org/bugzilla/show_bug.cgi?id=3D29444 --- Comment #13 from Siddhesh Poyarekar --- (In reply to Leo Yuriev from comment #12) > 2) By manipulating requests, the attacker achieves a function call that is > at the end of the monitored addresses and is usually never called. T My point is that this step above needs specific knowledge of the address sp= ace *and* control over execution to make this happen. Without such control, there's no exploitation vector. --=20 You are receiving this mail because: You are on the CC list for the bug.=