IBM1C1786F3BA8996071AB385BFDC4572F4247C792D5188A0C83F65E8CEDA006492Security Bulletin: Rational Service Tester contains vulnerabilities which could affect Eclipse Jetty. Rational Service Tester has taken steps to mitigate these vulnerabilities.
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
51.1%
Summary
Eclipse Jetty contains a vulnerability around improper hostname input handling that could lead to failure in a proxy scenario, and a vulnerability that could lead to a potential denial of service attack.
Vulnerability Details
CVEID:CVE-2022-2191
**DESCRIPTION:**Eclipse Jetty is vulnerable to a denial of service, caused by a flaw with SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230671 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID:CVE-2022-2047
**DESCRIPTION:**Eclipse Jetty could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw in the HttpURI class. By sending a specially-crafted request, an attacker could exploit this vulnerability to the HttpClient and ProxyServlet/AsyncProxyServlet/AsyncMiddleManServlet wrongly interpreting an authority with no host as one with a host.
CVSS Base score: 2.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230668 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N)
CVEID:CVE-2022-2048
**DESCRIPTION:**Eclipse Jetty is vulnerable to a denial of service, caused by a flaw in the error handling of an invalid HTTP/2 request. By sending specially-crafted HTTP/2 requests, a remote attacker could exploit this vulnerability to cause the server to become unresponsive, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230670 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| RST | 9.2 |
| RST | 10.0 |
| RST | 9.5 |
| RST | 10.1 |
| RST | 10.2 |
Remediation/Fixes
Upgrading to Rational Service Tester version 10.5 is strongly recommended.
| Product | VRMF | APAR | Remediation/First Fix |
|---|---|---|---|
| RST | 10.2 | None | <https://download4.boulder.ibm.com/sar/CMA/RAA/0atii/0/PSIRT58763_RPT-RST-ifix.zip> |
| RST | 10.1 | None | <https://download4.boulder.ibm.com/sar/CMA/RAA/0atii/0/PSIRT58763_RPT-RST-ifix.zip> |
| RST | 10.0 | None | <https://download4.boulder.ibm.com/sar/CMA/RAA/0atii/0/PSIRT58763_RPT-RST-ifix.zip> |
| RST | 9.5 | None | <https://download4.boulder.ibm.com/sar/CMA/RAA/0atii/0/PSIRT58763_RPT-RST-ifix.zip> |
| RST | 9.2 | None | <https://download4.boulder.ibm.com/sar/CMA/RAA/0atii/0/PSIRT58763_RPT-RST-ifix.zip> |
Workarounds and Mitigations
None
Affected configurations
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
51.1%