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cvelistNozomiCVELIST:CVE-2023-22843
HistoryAug 09, 2023 - 8:46 a.m.

CVE-2023-22843 Stored Cross-Site Scripting (XSS) in Threat Intelligence rules in Guardian/CMC before 22.6.2

2023-08-0908:46:31
CWE-79
Nozomi
www.cve.org
2
cve-2023-22843
cross-site scripting
threat intelligence
guardian/cmc
javascript injection
yara rules
html injection

CVSS3

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L

CVSS4

7.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

PASSIVE

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:H/SC:N/VI:H/SI:N/VA:L/SA:N

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

21.7%

An authenticated attacker with administrative access to the web management interface can inject malicious JavaScript code inside the definition of a Threat Intelligence rule, that will be stored and can later be executed by another legitimate user viewing the details of such a rule.
Via stored Cross-Site Scripting (XSS), an attacker may be able to perform unauthorized actions on behalf of legitimate users and/or gather sensitive information. JavaScript injection was possible in the contents for Yara rules, while limited HTML injection has been proven for packet and STYX rules.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Guardian",
    "vendor": "Nozomi Networks",
    "versions": [
      {
        "lessThan": "22.6.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "CMC",
    "vendor": "Nozomi Networks",
    "versions": [
      {
        "lessThan": "22.6.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

CVSS3

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L

CVSS4

7.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

PASSIVE

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:H/SC:N/VI:H/SI:N/VA:L/SA:N

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

21.7%

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