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Merge pull request #2781 from testssl/ccsInjectionFix_3.0

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Fix CCS injection
This commit is contained in:
Dirk Wetter
2025-05-21 15:08:45 +02:00
committed by GitHub
parent 4beed531be 04e174b3af
commit f5da039c86
1 changed files with 6 additions and 6 deletions
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12
testssl.sh
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@ -14239,23 +14239,23 @@ run_ccs_injection(){
else
fileout "$jsonID" "OK" "not vulnerable" "$cve" "$cwe"
fi
elif [[ "${tls_hello_ascii:0:4}" == "1503" ]]; then
if [[ ! "${tls_hello_ascii:5:2}" =~ 03|02|01|00 ]]; then
elif [[ "${tls_hello_ascii:0:4}" == 1503 ]]; then
if [[ ! "${tls_hello_ascii:4:2}" =~ 03|02|01|00 ]]; then
pr_warning "test failed "
out "no proper TLS reply (debug info: protocol sent: 1503${tls_hexcode#x03, x}, reply: ${tls_hello_ascii:0:14}"
fileout "$jsonID" "DEBUG" "test failed, around line $LINENO, debug info (${tls_hello_ascii:0:14})" "$cve" "$cwe" "$hint"
ret=1
elif [[ "$byte6" == "15" ]]; then
elif [[ "$byte6" == 15 ]]; then
# decryption failed received
pr_svrty_critical "VULNERABLE (NOT ok)"
fileout "$jsonID" "CRITICAL" "VULNERABLE" "$cve" "$cwe" "$hint"
elif [[ "$byte6" == "0A" ]] || [[ "$byte6" == "28" ]]; then
elif [[ "$byte6" == "0A" ]] || [[ "$byte6" == 28 ]]; then
# Unexpected message / Handshake failure received
pr_warning "likely "
out "not vulnerable (OK)"
out " - alert description type: $byte6"
fileout "$jsonID" "WARN" "probably not vulnerable but received 0x${byte6} instead of 0x15" "$cve" "$cwe" "$hint"
elif [[ "$byte6" == "14" ]]; then
elif [[ "$byte6" == 14 ]]; then
# bad_record_mac -- this is not "not vulnerable"
out "likely "
pr_svrty_critical "VULNERABLE (NOT ok)"
@ -14268,7 +14268,7 @@ run_ccs_injection(){
out ", suspicious error code \"$byte6\" returned. Please report"
fileout "$jsonID" "CRITICAL" "likely VULNERABLE with $byte6" "$cve" "$cwe" "$hint"
fi
elif [[ $STARTTLS_PROTOCOL == "mysql" ]] && [[ "${tls_hello_ascii:14:12}" == "233038533031" ]]; then
elif [[ $STARTTLS_PROTOCOL == mysql ]] && [[ "${tls_hello_ascii:14:12}" == 233038533031 ]]; then
# MySQL community edition (yaSSL) returns a MySQL error instead of a TLS Alert
# Error: #08S01 Bad handshake
pr_svrty_best "not vulnerable (OK)"