Current Description
An issue was discovered in Open-iSCSI through 2.0.875. A local attacker can cause the iscsiuio server to abort or potentially execute code by sending messages with incorrect lengths, which (due to lack of checking) can lead to buffer overflows, and result in aborts (with overflow checking enabled) or code execution. The process_iscsid_broadcast function in iscsiuio/src/unix/iscsid_ipc.c does not validate the payload length before a write operation.
Source:
MITRE
Description Last Modified:
12/22/2017
View Analysis Description
Analysis Description
An issue was discovered in Open-iSCSI through 2.0.875. A local attacker can cause the iscsiuio server to abort or potentially execute code by sending messages with incorrect lengths, which (due to lack of checking) can lead to buffer overflows, and result in aborts (with overflow checking enabled) or code execution. The process_iscsid_broadcast function in iscsiuio/src/unix/iscsid_ipc.c does not validate the payload length before a write operation.
Source:
MITRE
Description Last Modified:
12/22/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.8 HIGH
Vector:
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.6 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
1 change record found
- show changes
Initial Analysis -
1/11/2018 1:52:46 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:open-iscsi_project:open-iscsi:*:*:*:*:*:*:*:* versions up to (including) 2.0.875 |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-119 |
| Changed |
Reference Type |
http://www.openwall.com/lists/oss-security/2017/12/13/2 No Types Assigned |
http://www.openwall.com/lists/oss-security/2017/12/13/2 Mailing List, Third Party Advisory |
| Changed |
Reference Type |
https://bugzilla.opensuse.org/show_bug.cgi?id=1072312 No Types Assigned |
https://bugzilla.opensuse.org/show_bug.cgi?id=1072312 Issue Tracking, Third Party Advisory |