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gnupg: CVE-2022-34903 possible signature forgery via injection into the status line

Browse Source 
Source: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git
MR: 119424
Type: Security Fix
Disposition: Backport from https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=34c649b3601383cd11dbc76221747ec16fd68e1b
ChangeID: 97de66d6aa74e12cb1bf82fe85ee62e2530fccf6
Description:
	CVE-2022-34903 gnupg: possible signature forgery via injection into the status line.

(From OE-Core rev: 2bf155d59e33972bbb1780e34753199b5a9192a0)

Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Hitendra Prajapati
2022-07-22 19:05:04 +05:30
committed by Richard Purdie
parent d695bd0d3d
commit d323923047
2 changed files with 45 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-support/gnupg/gnupg/CVE-2022-34903.patch
+44
View File
@@ -0,0 +1,44 @@
From 2f05fc96b1332caf97176841b1152da3f0aa16a8 Mon Sep 17 00:00:00 2001
From: Hitendra Prajapati <hprajapati@mvista.com>
Date: Fri, 22 Jul 2022 17:52:36 +0530
Subject: [PATCH] CVE-2022-34903
Upstream-Status: Backport [https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=34c649b3601383cd11dbc76221747ec16fd68e1b]
CVE: CVE-2022-34903
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
---
g10/cpr.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/g10/cpr.c b/g10/cpr.c
index d502e8b..bc4b715 100644
--- a/g10/cpr.c
+++ b/g10/cpr.c
@@ -328,20 +328,15 @@ write_status_text_and_buffer (int no, const char *string,
}
first = 0;
}
- for (esc=0, s=buffer, n=len; n && !esc; s++, n--)
+ for (esc=0, s=buffer, n=len; n; s++, n--)
{
if (*s == '%' || *(const byte*)s <= lower_limit
|| *(const byte*)s == 127 )
esc = 1;
if (wrap && ++count > wrap)
- {
- dowrap=1;
- break;
- }
- }
- if (esc)
- {
- s--; n++;
+ dowrap=1;
+ if (esc || dowrap)
+ break;
}
if (s != buffer)
es_fwrite (buffer, s-buffer, 1, statusfp);
--
2.25.1
meta/recipes-support/gnupg/gnupg_2.2.27.bb
+1
View File
@@ -20,6 +20,7 @@ SRC_URI = "${GNUPG_MIRROR}/${BPN}/${BPN}-${PV}.tar.bz2 \
file://0003-dirmngr-uses-libgpg-error.patch \
file://0004-autogen.sh-fix-find-version-for-beta-checking.patch \
file://0001-Woverride-init-is-not-needed-with-gcc-9.patch \
file://CVE-2022-34903.patch \
"
SRC_URI_append_class-native = " file://0001-configure.ac-use-a-custom-value-for-the-location-of-.patch \
file://relocate.patch"