APT before 1.0.9 does not verify downloaded files if they have been modified as indicated using the If-Modified-Since header, which has unspecified impact and attack vectors.
{
"binaries": [
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "apt"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "apt-transport-https"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "apt-utils"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "libapt-inst1.5"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "libapt-pkg-dev"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "libapt-pkg4.12"
}
],
"availability": "No subscription required"
}