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squid: patch CVE-2025-59362

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Details: https://nvd.nist.gov/vuln/detail/CVE-2025-59362

Pick the PR content that's referenced in the nvd report.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
This commit is contained in:
Gyorgy Sarvari
2025-10-21 20:32:03 +02:00
parent bb7620585c
commit efbc247121
2 changed files with 52 additions and 0 deletions
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meta-networking/recipes-daemons/squid/files/CVE-2025-59362.patch
+51
View File
@@ -0,0 +1,51 @@
From 4b9784928c87225605fd223b6fa0e5b42d039359 Mon Sep 17 00:00:00 2001
From: Alex Rousskov <rousskov@measurement-factory.com>
Date: Sat, 30 Aug 2025 06:49:36 +0000
Subject: [PATCH] Fix ASN.1 encoding of long SNMP OIDs (#2149)
CVE: CVE-2025-59362
Upstream-Status: Backport [https://github.com/squid-cache/squid/commit/0d89165ee6da10e6fa50c44998b3cd16d59400e9]
---
lib/snmplib/asn1.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/lib/snmplib/asn1.c b/lib/snmplib/asn1.c
index 8a4e471..0bb1f0b 100644
--- a/lib/snmplib/asn1.c
+++ b/lib/snmplib/asn1.c
@@ -771,6 +771,7 @@ asn_build_objid(u_char * data, int *datalength,
* lastbyte ::= 0 7bitvalue
*/
u_char buf[MAX_OID_LEN];
+ u_char *bufEnd = buf + sizeof(buf);
u_char *bp = buf;
oid *op = objid;
int asnlength;
@@ -789,6 +790,10 @@ asn_build_objid(u_char * data, int *datalength,
while (objidlength-- > 0) {
subid = *op++;
if (subid < 127) { /* off by one? */
+ if (bp >= bufEnd) {
+ snmp_set_api_error(SNMPERR_ASN_ENCODE);
+ return (NULL);
+ }
*bp++ = subid;
} else {
mask = 0x7F; /* handle subid == 0 case */
@@ -806,8 +811,16 @@ asn_build_objid(u_char * data, int *datalength,
/* fix a mask that got truncated above */
if (mask == 0x1E00000)
mask = 0xFE00000;
+ if (bp >= bufEnd) {
+ snmp_set_api_error(SNMPERR_ASN_ENCODE);
+ return (NULL);
+ }
*bp++ = (u_char) (((subid & mask) >> bits) | ASN_BIT8);
}
+ if (bp >= bufEnd) {
+ snmp_set_api_error(SNMPERR_ASN_ENCODE);
+ return (NULL);
+ }
*bp++ = (u_char) (subid & mask);
}
}
meta-networking/recipes-daemons/squid/squid_4.15.bb
+1
View File
@@ -37,6 +37,7 @@ SRC_URI = "http://www.squid-cache.org/Versions/v${MAJ_VER}/${BPN}-${PV}.tar.bz2
file://CVE-2022-41317.patch \
file://CVE-2022-41318.patch \
file://CVE-2023-46724.patch \
file://CVE-2025-59362.patch \
"
SRC_URI:remove:toolchain-clang = "file://0001-configure-Check-for-Wno-error-format-truncation-comp.patch"