CVE-2019-18899
apt-cacher-ng insecure use of /run/apt-cacher-ng
The apt-cacher-ng package of openSUSE Leap 15.1 runs operations in user owned directory /run/apt-cacher-ng with root privileges. This can allow local attackers to influence the outcome of these operations. This issue affects: openSUSE Leap 15.1 apt-cacher-ng versions prior to 3.1-lp151.3.3.1.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
apt-cacher-ng insecure use of /run/apt-cacher-ng
The apt-cacher-ng package of openSUSE Leap 15.1 runs operations in user owned directory /run/apt-cacher-ng with root privileges. This can allow local attackers to influence the outcome of these operations. This issue affects: openSUSE Leap 15.1 apt-cacher-ng versions prior to 3.1-lp151.3.3.1.
- Record
CVE-2019-18899- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2019-8580
The apt-cacher-ng package of openSUSE Leap 15.1 runs operations in user owned directory /run/apt-cacher-ng with root privileges. This can allow local attackers to influence the outcome of these operations. This issue affects: openSUSE Leap 15.1 apt-cacher-ng versions prior to 3.1-lp151.3.3.1.
- Record
EUVD-2019-8580- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fv3j-23hh-g3xf
The apt-cacher-ng package of openSUSE Leap 15.1 runs operations in user owned directory /run/apt...
The apt-cacher-ng package of openSUSE Leap 15.1 runs operations in user owned directory /run/apt-cacher-ng with root privileges. This can allow local attackers to influence the outcome of these operations. This issue affects: openSUSE Leap 15.1 apt-cacher-ng versions prior to 3.1-lp151.3.3.1.
- Record
GHSA-fv3j-23hh-g3xf- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-269, CWE-732
- Updated
- 2026-11-02
NVD
The apt-cacher-ng package of openSUSE Leap 15.1 runs operations in user owned directory /run/apt-cacher-ng with root privileges. This can allow local attackers to influence the outcome of these operations. This issue affects: openSUSE Leap 15.1 apt-cacher-ng versions prior to 3.1-lp151.3.3.1.
- Record
CVE-2019-18899- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-18899
The apt-cacher-ng package of openSUSE Leap 15.1 runs operations in user owned directory /run/apt-cacher-ng with root privileges. This can allow local attackers to influence the outcome of these operations. This issue affects: openSUSE Leap 15.1 apt-cacher-ng versions prior to 3.1-lp151.3.3.1.
- Record
UBUNTU-CVE-2019-18899- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0124-1 No score
Security update for apt-cacher-ng
This update for apt-cacher-ng fixes the following issues:
- CVE-2019-18899: Fixed a symlink attack which could allow to overwrite arbitrary data (boo#1157703).
- CVE-2020-5202: Fixed an information leak if a local user won a race condition to listen to localhost:3142 (boo#1157706).
- Record
openSUSE-SU-2020:0124-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0146-1 No score
Security update for apt-cacher-ng
This update for apt-cacher-ng fixes the following issues:
- CVE-2019-18899: Fixed a symlink attack which could allow to overwrite arbitrary data (boo#1157703).
- CVE-2020-5202: Fixed an information leak if a local user won a race condition to listen to localhost:3142 (boo#1157706).
This update was imported from the openSUSE:Leap:15.1:Update update project.
- Record
openSUSE-SU-2020:0146-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apt-cacher-ngopenSUSE:Leap 15.1 From an advisory covering 2 CVEs |
before 3.1-lp151.3.3.1 | 3.1-lp151.3.3.1 |
apt-cacher-ngSUSE:Package Hub 15 SP1 From an advisory covering 2 CVEs |
before 3.1-bp151.4.3.1 | 3.1-bp151.4.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-18899 is a medium vulnerability (CVSS 6.2) in Apt-cacher-ng Project Apt-cacher-ng, published January 23, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.
References
lists.opensuse.org/opensuse-security-announce/2020-01/msg00057.html
bugzilla.suse.com/show_bug.cgi?id=1157703
nvd.nist.gov/vuln/detail/CVE-2019-18899
github.com/advisories/GHSA-fv3j-23hh-g3xf
ubuntu.com/security/CVE-2019-18899
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openwall.com/lists/oss-security/2020/01/20/5
cve.org/CVERecord?id=CVE-2019-18899
suse.com/security/cve/CVE-2019-18899