Published:2023/08/24  Last Updated:2023/08/24

JVN#86484824
SYNCK GRAPHICA Mailform Pro CGI vulnerable to Regular expression Denial-of-Service (ReDoS)

Overview

Mailform Pro CGI provided by SYNCK GRAPHICA contains a Regular expression Denial-of-Service (ReDoS) vulnerability.

Products Affected

  • Mailform Pro CGI 4.3.1.3 and earlier
According to the developer, the product is affected by the vulnerability when the following functions are enabled.
  • call/call.js
  • prefcodeadv/search.cgi
  • estimate/estimate.js
  • search/search.js
  • suggest/suggest.js
  • coupon/coupon.js

Description

Mailform Pro CGI provided by SYNCK GRAPHICA contains a Regular expression Denial-of-Service (ReDoS) vulnerability (CWE-1333, CVE-2023-40599).
This vulnerability is a similar issue as CVE-2023-32610 published on JVN on June 20, 2023, and was newly discovered in several Add-ons listed above.

Impact

A remote attacker may be able to cause a denial-of-service (DoS).

Solution

Update the Software
Update the software to the latest version according to the information provided by the developer.

Vendor Status

Vendor Link
SYNCK GRAPHICA MailForm Pro vulnerable to Denial of Service (DoS) (2) (Text in Japanse)

References

  1. Japan Vulnerability Notes JVN#70502982
    SYNCK GRAPHICA Mailform Pro CGI vulnerable to Regular expression Denial-of-Service (ReDoS)

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
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:M/Au:N/C:N/I:N/A:P
Base Score: 4.3
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

Tran Quang Vu of FPT Software reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2023-40599
JVN iPedia JVNDB-2023-000087