diff options
Diffstat (limited to 'poky/meta/recipes-devtools/rpm/files/CVE-2021-3521-03.patch')
-rw-r--r-- | poky/meta/recipes-devtools/rpm/files/CVE-2021-3521-03.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/rpm/files/CVE-2021-3521-03.patch b/poky/meta/recipes-devtools/rpm/files/CVE-2021-3521-03.patch new file mode 100644 index 0000000000..fd31f11beb --- /dev/null +++ b/poky/meta/recipes-devtools/rpm/files/CVE-2021-3521-03.patch @@ -0,0 +1,34 @@ +From 5ff86764b17f31535cb247543a90dd739076ec38 Mon Sep 17 00:00:00 2001 +From: Demi Marie Obenour <demi@invisiblethingslab.com> +Date: Thu, 6 May 2021 18:34:45 -0400 +Subject: [PATCH] Do not allow extra packets to follow a signature +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +According to RFC 4880 § 11.4, a detached signature is “simply a +Signature packet”. Therefore, extra packets following a detached +signature are not allowed. + +Dependent patch: +CVE: CVE-2021-3521 +Upstream-Status: Backport [https://github.com/rpm-software-management/rpm/commit/5ff86764b17f31535cb247543a90dd739076ec38] +Signed-off-by: Riyaz Khan <Riyaz.Khan@kpit.com> + +--- + rpmio/rpmpgp.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/rpmio/rpmpgp.c b/rpmio/rpmpgp.c +index f1a99e7169..5b346a8253 100644 +--- a/rpmio/rpmpgp.c ++++ b/rpmio/rpmpgp.c +@@ -1068,6 +1068,8 @@ int pgpPrtParams(const uint8_t * pkts, size_t pktlen, unsigned int pkttype, + break; + + p += (pkt.body - pkt.head) + pkt.blen; ++ if (pkttype == PGPTAG_SIGNATURE) ++ break; + } + + rc = (digp && (p == pend)) ? 0 : -1; |