CVE-2016-4955: novell suse_manager Race Condition
CVSS: 5.9v3.1MediumModified
AliasesUBUNTU-CVE-2016-4955DEBIAN-CVE-2016-4955
Published 05-07-2016Last modified 06-08-2024
Vulnerability summary
CVE-2016-4955 is a medium (CVSS 5.9) Race Condition vulnerability in novell suse_manager. EPSS estimates a 8.77% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (NVD)EPSS score
8.77%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 05-07-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a spoofed crypto-NAK packet or (2) a packet with an incorrect MAC value at a certain time.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:LSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
8.77%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 8.77% on 18-09-2026
18-09-202618-10-2026
EPSS score8.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse4 products
- linux_enterprise_desktop12:sp1
- linux_enterprise_server11:sp2 | 11:sp3 | 11:sp4 | 12:sp1
- manager_proxy2.1
- openstack_cloud5
Debian1 product
- ntp< 1:4.2.8p8+dfsg-1
Novell1 product
- suse_manager2.1
Ntp1 product
- ntp≥ 4.2.0, < 4.2.8 | ≥ 4.3.0, < 4.3.93 | 4.2.8 | 4.2.8:p1 | 4.2.8:p1-beta1 | 4.2.8:p1-beta2 | 4.2.8:p1-beta3 | 4.2.8:p1-beta4 | 4.2.8:p1-beta5 | 4.2.8:p1-rc1 | 4.2.8:p1-rc2 | 4.2.8:p2 | 4.2.8:p2-rc1 | 4.2.8:p2-rc2 | 4.2.8:p2-rc3 | 4.2.8:p3 | 4.2.8:p3-rc1 | 4.2.8:p3-rc2 | 4.2.8:p3-rc3 | 4.2.8:p4 | 4.2.8:p5 | 4.2.8:p6 | 4.2.8:p7
Oracle1 product
- solarisEOL10 | 11.3
Ubuntu1 product
- ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 | < 1:4.2.8p4+dfsg-3ubuntu5.3
7 vendors · 11 products
References
36 links- lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- security.freebsd.org/advisories/FreeBSD-SA-16:24.ntp.ascVendor AdvisoryX Refsource FREEBSDThird Party Advisory
Show all 36 references
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpdVendor AdvisoryX Refsource CISCO
us-cert.cisa.gov/ics/advisories/icsa-21-159-11X Refsource MISC