Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU31891
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-15586
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler. A remote attacker can exploit the race and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
openshift-ansible (Red Hat package): 4.5.0-202010081312.p0.git.0.401534e.el7
atomic-openshift-service-idler (Red Hat package): 4.5.0-202010081312.p0.git.15.d7814b2.el7
atomic-enterprise-service-catalog (Red Hat package): 4.5.0-202010081312.p0.git.1808.498e523.el7
openshift-clients (Red Hat package): 4.5.0-202010081312.p0.git.3607.908b350.el7 - 4.5.0-202010081312.p0.git.3607.908b350.el8
openshift (Red Hat package): 4.5.0-202008130146.p0.git.0.aaf1d57.el7 - 4.5.0-202010091010.p0.git.0.3538ccc.el8
cri-o (Red Hat package): 1.18.3-19.rhaos4.5.git9264b4f.el7 - 1.18.3-19.rhaos4.5.git9264b4f.el8
faq (Red Hat package): 0.0.6-1.el7 - 0.0.6-4.el7
Red Hat OpenShift Container Platform: before 4.5.20
External linkshttp://access.redhat.com/errata/RHSA-2020:5119
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU45699
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-16845
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in "ReadUvarint" and "ReadVarint" in "encoding/binary". A remote attacker can consume all available system resources and cause denial of service conditions.
MitigationInstall updates from vendor's website.
openshift-ansible (Red Hat package): 4.5.0-202010081312.p0.git.0.401534e.el7
atomic-openshift-service-idler (Red Hat package): 4.5.0-202010081312.p0.git.15.d7814b2.el7
atomic-enterprise-service-catalog (Red Hat package): 4.5.0-202010081312.p0.git.1808.498e523.el7
openshift-clients (Red Hat package): 4.5.0-202010081312.p0.git.3607.908b350.el7 - 4.5.0-202010081312.p0.git.3607.908b350.el8
openshift (Red Hat package): 4.5.0-202008130146.p0.git.0.aaf1d57.el7 - 4.5.0-202010091010.p0.git.0.3538ccc.el8
cri-o (Red Hat package): 1.18.3-19.rhaos4.5.git9264b4f.el7 - 1.18.3-19.rhaos4.5.git9264b4f.el8
faq (Red Hat package): 0.0.6-1.el7 - 0.0.6-4.el7
Red Hat OpenShift Container Platform: before 4.5.20
External linkshttp://access.redhat.com/errata/RHSA-2020:5119
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.