2d6a0ea93e
In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime. For more details, see the bugtracker: https://bugs.openldap.org/show_bug.cgi?id=9454 Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
27 lines
734 B
Diff
27 lines
734 B
Diff
From 9badb73425a67768c09bcaed1a9c26c684af6c30 Mon Sep 17 00:00:00 2001
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From: Howard Chu <hyc@openldap.org>
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Date: Sat, 6 Feb 2021 20:52:06 +0000
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Subject: [PATCH] ITS#9454 fix issuerAndThisUpdateCheck
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Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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---
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servers/slapd/schema_init.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/servers/slapd/schema_init.c b/servers/slapd/schema_init.c
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index 31be1154e..8b1e25539 100644
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--- a/servers/slapd/schema_init.c
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+++ b/servers/slapd/schema_init.c
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@@ -3900,6 +3900,8 @@ issuerAndThisUpdateCheck(
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break;
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}
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}
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+ if ( tu->bv_len < STRLENOF("YYYYmmddHHmmssZ") ) return LDAP_INVALID_SYNTAX;
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+
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x.bv_val += tu->bv_len + 1;
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x.bv_len -= tu->bv_len + 1;
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--
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2.20.1
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