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home:Alexander_Naumov:SLE-12:Update
netatalk.30708
netatalk-CVE-2022-23125.patch
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File netatalk-CVE-2022-23125.patch of Package netatalk.30708
From d801ed421800bcd5df9045f7327c92cd4fc944aa Mon Sep 17 00:00:00 2001 From: Ralph Boehme <slow@samba.org> Date: Thu, 10 Mar 2022 16:12:30 +0100 Subject: [PATCH] CVE-2022-23125: harden copyapplfile() Signed-off-by: Ralph Boehme <slow@samba.org> --- etc/afpd/appl.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/etc/afpd/appl.c b/etc/afpd/appl.c index f53803e0d..be4ba4d37 100644 --- a/etc/afpd/appl.c +++ b/etc/afpd/appl.c @@ -95,6 +95,11 @@ static int copyapplfile(int sfd, int dfd, char *mpath, u_short mplen) p = buf + sizeof(appltag); memcpy( &len, p, sizeof(len)); len = ntohs( len ); + if (len > MAXPATHLEN - (sizeof(appltag) + sizeof(len))) { + errno = EINVAL; + cc = -1; + break; + } p += sizeof( len ); if (( cc = read( sa.sdt_fd, p, len )) < len ) { break;
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