APT before 1.0.9 does not "invalidate repository data" when moving from an unauthenticated to authenticated state, which allows remote attackers to have unspecified impact via crafted repository data.
{
"binaries": [
{
"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",
"binary_version": "1.0.1ubuntu2.3"
}
],
"availability": "No subscription required"
}