b0f3d6f1b7
- Fix CVE-2026-33846 - Fix CVE-2026-42009 - Fix CVE-2026-33845 - Fix CVE-2026-42010 - Fix CVE-2026-3833 - Fix CVE-2026-42011 - Fix CVE-2026-42012 - Fix CVE-2026-42013 - Fix CVE-2026-42014 - Fix CVE-2026-5260 - Fix CVE-2026-42015 - Fix CVE-2026-3832 - Fix CVE-2026-5419 - Fix upstream security issue #1808 - Fix upstream security issue #1810 - Fix upstream security issue #1813 - Fix upstream security issue #1818 - Fix upstream security issue #1818 - Fix upstream security issue #1819 - Fix upstream security issue #1822 - Fix upstream security issue #1841 - Fix upstream security issue #1823 - Fix upstream security issue #1817 - Fix upstream security issue #1820 - gnutls-3.8.10-CVE-2025-9820.patch: update Makefile.in Resolves: RHEL-159043 Resolves: RHEL-159038 Resolves: RHEL-154315
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 3d45a63b16f64ac53abe9f1a02135e8daf1020f8 Mon Sep 17 00:00:00 2001
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From: Alexander Sosedkin <asosedkin@redhat.com>
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Date: Tue, 7 Apr 2026 10:16:03 +0200
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Subject: [PATCH] session_pack: validate session_id_size on unpacking
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A check for session_id_size not exceeding GNUTLS_MAX_SESSION_ID_SIZE
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on loading persisted TLS session data was overlooked,
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leading to a heap overflow
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were the data corrupted in a malicious manner.
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Reported-by: Haruto Kimura (Stella)
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Fixes: #1817
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Signed-off-by: Alexander Sosedkin <asosedkin@redhat.com>
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---
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lib/session_pack.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/lib/session_pack.c b/lib/session_pack.c
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index bd1ce3361..6c1d98270 100644
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--- a/lib/session_pack.c
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+++ b/lib/session_pack.c
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@@ -973,6 +973,10 @@ static int unpack_security_parameters(gnutls_session_t session,
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&session->internals.resumed_security_parameters.session_id_size,
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1);
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+ if (session->internals.resumed_security_parameters.session_id_size >
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+ GNUTLS_MAX_SESSION_ID_SIZE)
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+ return gnutls_assert_val(GNUTLS_E_INVALID_REQUEST);
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+
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BUFFER_POP(
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ps, session->internals.resumed_security_parameters.session_id,
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session->internals.resumed_security_parameters.session_id_size);
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--
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2.53.0
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