From: Yann E. MORIN <yann.morin.1998@free.fr>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] package/openldap: add upstream security fix for CVE-2021-27212
Date: Sat, 27 Feb 2021 09:20:22 +0100 [thread overview]
Message-ID: <20210227082022.GF2390841@scaer> (raw)
In-Reply-To: <20210226231318.21482-1-peter@korsgaard.com>
Peter, All,
On 2021-02-27 00:13 +0100, Peter Korsgaard spake thusly:
> 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>
Applied to master, thanks.
Regards,
Yann E. MORIN.
> ---
> ...TS-9454-fix-issuerAndThisUpdateCheck.patch | 26 +++++++++++++++++++
> package/openldap/openldap.mk | 3 +++
> 2 files changed, 29 insertions(+)
> create mode 100644 package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch
>
> diff --git a/package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch b/package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch
> new file mode 100644
> index 0000000000..a611b9ff59
> --- /dev/null
> +++ b/package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch
> @@ -0,0 +1,26 @@
> +From 9badb73425a67768c09bcaed1a9c26c684af6c30 Mon Sep 17 00:00:00 2001
> +From: Howard Chu <hyc@openldap.org>
> +Date: Sat, 6 Feb 2021 20:52:06 +0000
> +Subject: [PATCH] ITS#9454 fix issuerAndThisUpdateCheck
> +
> +Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
> +---
> + servers/slapd/schema_init.c | 2 ++
> + 1 file changed, 2 insertions(+)
> +
> +diff --git a/servers/slapd/schema_init.c b/servers/slapd/schema_init.c
> +index 31be1154e..8b1e25539 100644
> +--- a/servers/slapd/schema_init.c
> ++++ b/servers/slapd/schema_init.c
> +@@ -3900,6 +3900,8 @@ issuerAndThisUpdateCheck(
> + break;
> + }
> + }
> ++ if ( tu->bv_len < STRLENOF("YYYYmmddHHmmssZ") ) return LDAP_INVALID_SYNTAX;
> ++
> + x.bv_val += tu->bv_len + 1;
> + x.bv_len -= tu->bv_len + 1;
> +
> +--
> +2.20.1
> +
> diff --git a/package/openldap/openldap.mk b/package/openldap/openldap.mk
> index b4c06d8640..ec11e4fa7d 100644
> --- a/package/openldap/openldap.mk
> +++ b/package/openldap/openldap.mk
> @@ -13,6 +13,9 @@ OPENLDAP_CPE_ID_VENDOR = openldap
> OPENLDAP_INSTALL_STAGING = YES
> OPENLDAP_DEPENDENCIES = host-pkgconf
>
> +# 0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch
> +OPENLDAP_IGNORE_CVES += CVE-2021-27212
> +
> ifeq ($(BR2_PACKAGE_OPENSSL),y)
> OPENLDAP_TLS = openssl
> OPENLDAP_DEPENDENCIES += openssl
> --
> 2.20.1
>
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
--
.-----------------.--------------------.------------------.--------------------.
| Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ |
| +33 561 099 427 `------------.-------: X AGAINST | \e/ There is no |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. |
'------------------------------^-------^------------------^--------------------'
next prev parent reply other threads:[~2021-02-27 8:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-26 23:13 [Buildroot] [PATCH] package/openldap: add upstream security fix for CVE-2021-27212 Peter Korsgaard
2021-02-27 8:20 ` Yann E. MORIN [this message]
2021-03-09 23:00 ` Peter Korsgaard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210227082022.GF2390841@scaer \
--to=yann.morin.1998@free.fr \
--cc=buildroot@busybox.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox