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CVE-2026-0965 config: Do not attempt to read non-regular and too large configuration files

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Changes also the reading of known_hosts to use the new helper function

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2025-12-11 17:33:19 +01:00
parent 1b2a4f760b
commit a5eb30dbfd
10 changed files with 118 additions and 13 deletions
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4
src/dh-gex.c
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@@ -526,9 +526,9 @@ static int ssh_retrieve_dhgroup(char *moduli_file,
}
if (moduli_file != NULL)
moduli = fopen(moduli_file, "r");
moduli = ssh_strict_fopen(moduli_file, SSH_MAX_CONFIG_FILE_SIZE);
else
moduli = fopen(MODULI_FILE, "r");
moduli = ssh_strict_fopen(MODULI_FILE, SSH_MAX_CONFIG_FILE_SIZE);
if (moduli == NULL) {
char err_msg[SSH_ERRNO_MSG_MAX] = {0};