VulnerabilityModified
CVE-2018-15686
A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess.
HIGH 7.8EPSS 2.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.26% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- canonical/ubuntu linux · debian/debian linux · systemd project/systemd · oracle/communications cloud native core network function cloud native environment
- Source
- security@ubuntu.com
References
- http://www.securityfocus.com/bid/105747Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2091Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3222Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0593Third Party Advisory
- https://github.com/systemd/systemd/pull/10519Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-10Third Party Advisory
- https://usn.ubuntu.com/3816-1/Third Party Advisory
- https://www.exploit-db.com/exploits/45714/Exploit, Third Party Advisory, VDB Entry
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
- http://www.securityfocus.com/bid/105747Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2091Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3222Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0593Third Party Advisory
- https://github.com/systemd/systemd/pull/10519Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-10Third Party Advisory
- https://usn.ubuntu.com/3816-1/Third Party Advisory
- https://www.exploit-db.com/exploits/45714/Exploit, Third Party Advisory, VDB Entry
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.