diff mbox series

[meta-webserver,walnascar] fcgi: patch CVE-2025-23016

Message ID 20250814204508.2906287-1-peter.marko@siemens.com
State New
Headers show
Series [meta-webserver,walnascar] fcgi: patch CVE-2025-23016 | expand

Commit Message

Peter Marko Aug. 14, 2025, 8:45 p.m. UTC 
From: Peter Marko <peter.marko@siemens.com>

Pick commit referencing this CVE.

Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
 .../fcgi/fcgi/CVE-2025-23016.patch            | 40 +++++++++++++++++++
 .../recipes-support/fcgi/fcgi_git.bb          |  1 +
 2 files changed, 41 insertions(+)
 create mode 100644 meta-webserver/recipes-support/fcgi/fcgi/CVE-2025-23016.patch
diff mbox series

Patch

diff --git a/meta-webserver/recipes-support/fcgi/fcgi/CVE-2025-23016.patch b/meta-webserver/recipes-support/fcgi/fcgi/CVE-2025-23016.patch
new file mode 100644
index 0000000000..b763d7651c
--- /dev/null
+++ b/meta-webserver/recipes-support/fcgi/fcgi/CVE-2025-23016.patch
@@ -0,0 +1,40 @@ 
+From b0eabcaf4d4f371514891a52115c746815c2ff15 Mon Sep 17 00:00:00 2001
+From: Pycatchown <39068868+Pycatchown@users.noreply.github.com>
+Date: Tue, 8 Apr 2025 17:39:30 +0200
+Subject: [PATCH] Update fcgiapp.c
+
+Fixing an integer overflow (CVE-2025-23016)
+
+CVE: CVE-2025-23016
+Upstream-Status: Backport [https://github.com/FastCGI-Archives/fcgi2/commit/b0eabcaf4d4f371514891a52115c746815c2ff15]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ libfcgi/fcgiapp.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/libfcgi/fcgiapp.c b/libfcgi/fcgiapp.c
+index 4ffe318..99c3630 100644
+--- a/libfcgi/fcgiapp.c
++++ b/libfcgi/fcgiapp.c
+@@ -1173,6 +1173,10 @@ static int ReadParams(Params *paramsPtr, FCGX_Stream *stream)
+ 	    }
+             nameLen = ((nameLen & 0x7f) << 24) + (lenBuff[0] << 16)
+                     + (lenBuff[1] << 8) + lenBuff[2];
++	    if (nameLen >= INT_MAX) {
++                SetError(stream, FCGX_PARAMS_ERROR);
++                return -1;
++	    }
+         }
+         if((valueLen = FCGX_GetChar(stream)) == EOF) {
+             SetError(stream, FCGX_PARAMS_ERROR);
+@@ -1185,6 +1189,10 @@ static int ReadParams(Params *paramsPtr, FCGX_Stream *stream)
+ 	    }
+             valueLen = ((valueLen & 0x7f) << 24) + (lenBuff[0] << 16)
+                     + (lenBuff[1] << 8) + lenBuff[2];
++	    if (valueLen >= INT_MAX) {
++                SetError(stream, FCGX_PARAMS_ERROR);
++                return -1;
++	    }
+         }
+         /*
+          * nameLen and valueLen are now valid; read the name and value
diff --git a/meta-webserver/recipes-support/fcgi/fcgi_git.bb b/meta-webserver/recipes-support/fcgi/fcgi_git.bb
index 61ef6073e0..d327d435d5 100644
--- a/meta-webserver/recipes-support/fcgi/fcgi_git.bb
+++ b/meta-webserver/recipes-support/fcgi/fcgi_git.bb
@@ -7,6 +7,7 @@  SRCREV = "382aa2b0d53a87c27f2f647dfaf670375ba0b85f"
 PV = "2.4.2"
 
 SRC_URI = "git://github.com/FastCGI-Archives/fcgi2.git;protocol=https;branch=master \
+           file://CVE-2025-23016.patch \
           "
 
 S = "${WORKDIR}/git"