Vulnerability-Lookup

GHSA-86RX-VP92-XVGG

Vulnerability from github – Published: 2022-05-13 01:04 – Updated: 2025-06-09 18:31

Details

A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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JSON

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CVE-2018-15686 (GCVE-0-2018-15686)

Vulnerability from cvelistv5 – Published: 2018-10-26 14:00 – Updated: 2025-06-09 15:50

Title

systemd: reexec state injection: fgets() on overlong lines leads to line splitting

Summary

Severity

7 (High)


                        
                          CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-09 15:50 UTC

CWE

fgets() can be confused by overly-long input strings. The first read will return a partial string and subsequent reads will begin as if it were a new line.
CWE-502 - Deserialization of Untrusted Data

Assigner

canonical CNA under the mitre root

CNA scorecard B 82/100 over 58 records in the last 180 days details

References

11 references

URL	Tags
https://security.gentoo.org/glsa/201810-10	vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/105747	vdb-entryx_refsource_BID
https://www.exploit-db.com/exploits/45714/	exploitx_refsource_EXPLOIT-DB
https://usn.ubuntu.com/3816-1/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:2091	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3222	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0593	vendor-advisoryx_refsource_REDHAT
https://lists.apache.org/thread.html/r1b103833cb5…	mailing-listx_refsource_MLIST
https://www.oracle.com//security-alerts/cpujul2021.html	x_refsource_MISC
https://github.com/systemd/systemd/pull/10519	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
systemd	systemd	Affected: unspecified , ≤ 239 (custom)

Date Public

2018-10-25 00:00

Credits

Jann Horn

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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