CVE-2019-25078 pacparser pacparser.c pacparser_find_proxy buffer overflow
A local buffer overflow in pacparser allows attackers to potentially execute code or cause denial of service via a crafted URL.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-25078?
CVE-2019-25078 is a medium-severity memory corruption vulnerability in unspecified pacparser, published on 13 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability classified as problematic was found in pacparser up to 1.3.x. Affected by this vulnerability is the function pacparser_find_proxy of the file src/pacparser.c. The manipulation of the argument url leads to buffer overflow. Attacking locally is a requirement. Upgrading to version 1.4.0 is able to address this issue. The name of the patch is 853e8f45607cb07b877ffd270c63dbcdd5201ad9. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-215443.
Which versions are affected by CVE-2019-25078?
1 open source package ship an affected version, including pacparser. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pacparser PyPI | All versions | 1.4.0 |
Products include Pacparser Project Pacparser.
How do I fix CVE-2019-25078?
Upgrade pacparser to 1.4.0 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-25078 being exploited?
There is no known exploitation of CVE-2019-25078 in the wild and no public exploit code.
Other vulnerabilities in unspecified pacparser
Sources
Also known as DEBIAN-CVE-2019-25078, GHSA-qw3q-5v45-72r8, PYSEC-2022-43062, UBUNTU-CVE-2019-25078.