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-rwxr-xr-xtest/integration/test-cve-2019-3462-Release.gpg-payload43
-rwxr-xr-xtest/integration/test-method-gpgv48
2 files changed, 75 insertions, 16 deletions
diff --git a/test/integration/test-cve-2019-3462-Release.gpg-payload b/test/integration/test-cve-2019-3462-Release.gpg-payload
new file mode 100755
index 000000000..fd0f96713
--- /dev/null
+++ b/test/integration/test-cve-2019-3462-Release.gpg-payload
@@ -0,0 +1,43 @@
+#!/bin/sh
+set -e
+
+# This is not covered by the CVE and harmless by itself, but used in
+# the exploit and while harmless it is also pointless to allow it
+
+TESTDIR="$(readlink -f "$(dirname "$0")")"
+. "$TESTDIR/framework"
+
+setupenvironment
+configarchitecture 'amd64'
+
+export APT_DONT_SIGN='InRelease'
+
+insertpackage 'unstable' 'foo' 'all' '1'
+setupaptarchive
+rm -rf rootdir/var/lib/apt/lists
+
+verify() {
+ testfailure apt update
+ testsuccess grep '^ Detached signature file' rootdir/tmp/testfailure.output
+ testfailure apt show foo
+}
+
+msgmsg 'Payload after detached signature'
+find aptarchive -name 'Release.gpg' | while read FILE; do
+ cp -a "$FILE" "${FILE}.bak"
+ echo "evil payload" >> "$FILE"
+done
+verify
+
+msgmsg 'Payload in-between detached signatures'
+find aptarchive -name 'Release.gpg' | while read FILE; do
+ cat "${FILE}.bak" >> "$FILE"
+done
+verify
+
+msgmsg 'Payload before detached signature'
+find aptarchive -name 'Release.gpg' | while read FILE; do
+ echo "evil payload" > "$FILE"
+ cat "${FILE}.bak" >> "$FILE"
+done
+verify
diff --git a/test/integration/test-method-gpgv b/test/integration/test-method-gpgv
index 70521881d..bfa5af4c2 100755
--- a/test/integration/test-method-gpgv
+++ b/test/integration/test-method-gpgv
@@ -71,44 +71,60 @@ testrun() {
[GNUPG:] VALIDSIG 891CC50E605796A0C6E733F74BC0A39C27CE74F9 2016-09-01 1472742629 0 4 0 1 11 00 891CC50E605796A0C6E733F74BC0A39C27CE74F9'
}
+echo 'Test' > message.data
+cat >message.sig <<EOF
+-----BEGIN PGP SIGNATURE-----
+
+iQFEBAEBCgAuFiEENKjp0Y2zIPNn6OqgWpDRQdusja4FAlhT7+kQHGpvZUBleGFt
+cGxlLm9yZwAKCRBakNFB26yNrjvEB/9/e3jA1l0fvPafx9LEXcH8CLpUFQK7ra9l
+3M4YAH4JKQlTG1be7ixruBRlCTh3YiSs66fKMeJeUYoxA2HPhvbGFEjQFAxunEYg
+X/LBKv1mQWa+Q34P5GBjK8kQdLCN+yJAiUErmWNQG3GPninrxsC9tY5jcWvHeP1k
+V7N3MLnNqzXaCJM24mnKidC5IDadUdQ8qC8c3rjUexQ8vBz0eucH56jbqV5oOcvx
+pjlW965dCPIf3OI8q6J7bIOjyY+u/PTcVlqPq3TUz/ti6RkVbKpLH0D4ll3lUTns
+JQt/+gJCPxHUJphy8sccBKhW29CLELJIIafvU30E1nWn9szh2Xjq
+=TB1F
+-----END PGP SIGNATURE-----
+EOF
+
+
gpgvmethod() {
- echo '601 Configuration
+ echo "601 Configuration
Config-Item: Debug::Acquire::gpgv=1
Config-Item: Dir::Bin::apt-key=./faked-apt-key
Config-Item: APT::Hashes::SHA1::Weak=true
600 URI Acquire
-URI: file:///dev/null
-Filename: /dev/zero
-' | runapt "${METHODSDIR}/gpgv"
+URI: file://${TMPWORKINGDIRECTORY}/message.sig
+Filename: ${TMPWORKINGDIRECTORY}/message.data
+" | runapt "${METHODSDIR}/gpgv"
}
testrun
gpgvmethod() {
- echo '601 Configuration
+ echo "601 Configuration
Config-Item: Debug::Acquire::gpgv=1
Config-Item: Dir::Bin::apt-key=./faked-apt-key
Config-Item: APT::Hashes::SHA1::Weak=true
600 URI Acquire
-URI: file:///dev/null
-Filename: /dev/zero
+URI: file://${TMPWORKINGDIRECTORY}/message.sig
+Filename: ${TMPWORKINGDIRECTORY}/message.data
Signed-By: /dev/null,34A8E9D18DB320F367E8EAA05A90D141DBAC8DAE
-' | runapt "${METHODSDIR}/gpgv"
+" | runapt "${METHODSDIR}/gpgv"
}
testrun
gpgvmethod() {
- echo '601 Configuration
+ echo "601 Configuration
Config-Item: Debug::Acquire::gpgv=1
Config-Item: Dir::Bin::apt-key=./faked-apt-key
Config-Item: APT::Hashes::SHA1::Weak=true
600 URI Acquire
-URI: file:///dev/null
-Filename: /dev/zero
+URI: file://${TMPWORKINGDIRECTORY}/message.sig
+Filename: ${TMPWORKINGDIRECTORY}/message.data
Signed-By: 34A8E9D18DB320F367E8EAA05A90D141DBAC8DAE,/dev/null
-' | runapt "${METHODSDIR}/gpgv"
+" | runapt "${METHODSDIR}/gpgv"
}
testrun
@@ -122,16 +138,16 @@ testsuccess grep '^\s\+Good:\s\+$' method.output
testsuccess grep 'verified because the public key is not available: GOODSIG' method.output
gpgvmethod() {
- echo '601 Configuration
+ echo "601 Configuration
Config-Item: Debug::Acquire::gpgv=1
Config-Item: Dir::Bin::apt-key=./faked-apt-key
Config-Item: APT::Hashes::SHA1::Weak=true
600 URI Acquire
-URI: file:///dev/null
-Filename: /dev/zero
+URI: file://${TMPWORKINGDIRECTORY}/message.sig
+Filename: ${TMPWORKINGDIRECTORY}/message.data
Signed-By: 34A8E9D18DB320F367E8EAA05A90D141DBAC8DAE!
-' | runapt "${METHODSDIR}/gpgv"
+" | runapt "${METHODSDIR}/gpgv"
}
testgpgv 'Exact matched subkey signed with long keyid' 'Good: GOODSIG 5A90D141DBAC8DAE' '34A8E9D18DB320F367E8EAA05A90D141DBAC8DAE!' '[GNUPG:] GOODSIG 5A90D141DBAC8DAE Sebastian Subkey <subkey@example.org>
[GNUPG:] VALIDSIG 34A8E9D18DB320F367E8EAA05A90D141DBAC8DAE 2018-08-16 1534459673 0 4 0 1 11 00 4281DEDBD466EAE8C1F4157E5B6896415D44C43E'