Published:2016/09/29 Last Updated:2016/09/29
JVN#72559412
ManageEngine ServiceDesk Plus uses an insecure method for cookie generation
Overview
ManageEngine ServiceDesk Plus provided by Zoho Corporation uses an insecure method for generating cookies.
Products Affected
- ManageEngine ServiceDesk Plus versions prior to 9.2
Description
ManageEngine ServiceDesk Plus provided by Zoho Corporation is a help desk software. ManageEngine ServiceDesk Plus uses an insecure method for generating cookies.
Impact
If an attacker obtains a user's cookie, the password contained in the cookie can be easily guessed.
Solution
Update the software
Update to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Zoho Corporation | ServiceDesk Plus 9.2 ReadMe |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score:
3.7
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:H/Au:N/C:P/I:N/A:N
Base Score:
2.6
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
Akihito Mukai and Tomoshige Hasegawa reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2016-4890 |
| JVN iPedia |
JVNDB-2016-000171 |