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1 Commits
| Author | SHA256 | Date | |
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| c4177d0609 |
@@ -0,0 +1,30 @@
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From 107d3801361b9f9084f78710178e683391f1d245 Mon Sep 17 00:00:00 2001
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From: Jan Rybar <jrybar@redhat.com>
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Date: Fri, 6 Jun 2025 13:25:55 +0200
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Subject: [PATCH] Nested .policy files cause xml parsing overflow leading to
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crash
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---
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src/polkitbackend/polkitbackendactionpool.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/src/polkitbackend/polkitbackendactionpool.c b/src/polkitbackend/polkitbackendactionpool.c
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index 43f89cb..f4acca9 100644
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--- a/src/polkitbackend/polkitbackendactionpool.c
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+++ b/src/polkitbackend/polkitbackendactionpool.c
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@@ -739,6 +739,12 @@ _start (void *data, const char *el, const char **attr)
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guint num_attr;
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ParserData *pd = data;
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+ if (pd->stack_depth < 0 || pd->stack_depth >= PARSER_MAX_DEPTH)
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+ {
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+ g_warning ("XML parsing reached max depth?");
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+ goto error;
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+ }
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+
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for (num_attr = 0; attr[num_attr] != NULL; num_attr++)
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;
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--
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2.43.0
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@@ -1,3 +1,10 @@
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-------------------------------------------------------------------
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Tue Jul 15 14:15:03 UTC 2025 - Marcus Meissner <meissner@suse.com>
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- CVE-2025-7519: Fixed that a XML policy file with a large number of
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nested elements may lead to out-of-bounds write (bsc#1246472)
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added 0001-Nested-.policy-files-cause-xml-parsing-overflow-lead.patch
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-------------------------------------------------------------------
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Wed Aug 14 12:33:37 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
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@@ -46,6 +46,8 @@ Patch3: polkit-keyinit.patch
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Patch4: polkit-adjust-libexec-path.patch
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# Read actions also from /etc/polkit-1/actions
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Patch6: polkit-actions-in-etc.patch
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# PATCH-FIX-UPSTREAM 0001-Nested-.policy-files-cause-xml-parsing-overflow-lead.patch meissner@ -- 1246472 VUL-0: CVE-2025-7519 polkit: XML policy file with a large number of nested elements may lead to out-of-bounds write
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Patch7: 0001-Nested-.policy-files-cause-xml-parsing-overflow-lead.patch
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BuildRequires: gcc-c++
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BuildRequires: gettext-devel
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