Description
NULL pointer dereference in TagSection.keys() in python-apt on APT-based Linux systems allows a local attacker to cause a denial of service (process crash) via a crafted deb822 file with a malformed non-UTF-8 key.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- Canonical / python-apt3.0 – 3.0.0ubuntu1.1
- Canonical / python-apt3.0 – 3.0.0ubuntu0.25.04.1
- Canonical / python-apt2.7 – 2.7.7ubuntu5.1
- Canonical / python-apt2.4 – 2.4.0ubuntu4.1
- Canonical / python-apt2.0 – 2.0.1ubuntu0.20.04.1+esm1
- Canonical / python-apt1.6 – 1.6.6ubuntu0.1~esm1
- Canonical / python-apt1.1 – 1.1.0~beta1ubuntu0.16.04.12+esm1
- Canonical / python-apt0 – 0.9.3.5ubuntu3+esm5