CVE-2019-3844
CVE-2019-3844 Vulnerability Analysis & Exploit Intelligence
It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the GID will be recycled.
Published Updated Sources: cvelistV5, redhat
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Exploit code
public exploit, none observed
EPSS
1%
chance of exploitation in 30 days
CVSS base
4.5
MEDIUM
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 4.5 | CVSS 3.0 | MEDIUM | — | — | cvelistV5 |
Weakness & attack patterns
- CWE-268
Public exploit
Capability, not use: code existing is a different claim from anyone running it.
Indexed by
References
6 on the record
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3844
x_refsource_CONFIRM
- www.securityfocus.com/bid/108096
vdb-entry, x_refsource_BID
- security.netapp.com/advisory/ntap-20190619-0002/
x_refsource_CONFIRM
- usn.ubuntu.com/4269-1/
vendor-advisory, x_refsource_UBUNTU
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
mailing-list, x_refsource_MLIST
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
mailing-list, x_refsource_MLIST
Elsewhere on this site
- freedesktop orgevery CVE for this vendor
- CWE-268other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.