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Gyorgy Sarvari
36fa532688
https://nvd.nist.gov/vuln/detail/CVE-2025-54090 A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true". Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
41 lines
1.6 KiB
Diff
41 lines
1.6 KiB
Diff
From 8abb3d06b23975705ebcf4bf4476464fd0b9bd0b Mon Sep 17 00:00:00 2001
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From: Eric Covener <covener@apache.org>
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Date: Mon, 21 Jul 2025 11:12:44 +0000
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Subject: [PATCH] fix `rewritecond expr` regression in 2.4.64
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*) SECURITY: CVE-2025-54090: Apache HTTP Server: 'RewriteCond expr'
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always evaluates to true in 2.4.64 (cve.mitre.org)
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A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond
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expr ..." tests evaluating as "true".
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Users are recommended to upgrade to version 2.4.65, which fixes
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the issue.
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Reviewed By: covener, ylavic, gbechis, jorton
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1927361 13f79535-47bb-0310-9956-ffa450edef68
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CVE: CVE-2025-54090
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Upstream-Status: Backport [https://github.com/apache/httpd/commit/8abb3d06b23975705ebcf4bf4476464fd0b9bd0b]
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Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
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---
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modules/mappers/mod_rewrite.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/modules/mappers/mod_rewrite.c b/modules/mappers/mod_rewrite.c
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index f9fcd61400f..ae0ceda0508 100644
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--- a/modules/mappers/mod_rewrite.c
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+++ b/modules/mappers/mod_rewrite.c
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@@ -4276,8 +4276,9 @@ static cond_return_type apply_rewrite_cond(rewritecond_entry *p, rewrite_ctx *ct
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rc = COND_RC_NOMATCH;
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}
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else {
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- rc = COND_RC_MATCH;
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+ rc = (rc > 0) ? COND_RC_MATCH : COND_RC_NOMATCH;
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}
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+
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/* update briRC backref info */
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if (rc && !(p->flags & CONDFLAG_NOTMATCH)) {
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ctx->briRC.source = source;
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