[Japanese]
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JVNDB-2023-000104
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Improper restriction of XML external entity references (XXE) in Proself
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Proself provided by North Grid Corporation improperly restricts XML external entity references (XXE) (CWE-611).
The developer states that attacks exploiting this vulnerability have been observed.
North Grid Corporation reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and North Grid Corporation coordinated under the Information Security Early Warning Partnership.
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CVSS V3 Severity: Base Metrics 7.5 (High) [IPA Score]
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: High
- Integrity Impact: None
- Availability Impact: None
CVSS V2 Severity: Base Metrics 5.0 (Medium) [IPA Score]
- Access Vector: Network
- Access Complexity: Low
- Authentication: None
- Confidentiality Impact: Partial
- Integrity Impact: None
- Availability Impact: None
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North Grid Corporation
- Proself Enterprise Edition Ver5.62 and earlier
- Proself Gateway Edition Ver1.65 and earlier
- Proself Mail Sanitize Edition Ver1.08 and earlier
- Proself Standard Edition Ver5.62 and earlier
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By processing a specially crafted request containing malformed XML data, arbitrary files on the server, such as account information, may be read by an attacker.
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[Update the software]
Update the software to the latest version according to the information provided by the developer.
[Apply the workaround]
Until the software is updated, the developer recommends to apply the workaround to mitigate the impact of this vulnerability.
[Stop using the products]
According to the developer, the following products are no longer supported. Stop using the vulnerable products and consider switching to alternatives.- Proself Enterprise/Standard Edition Ver.4 and earlier
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North Grid Corporation
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- No Mapping(CWE-Other) [IPA Evaluation]
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- CVE-2023-45727
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- JVN : JVN#95981460
- National Vulnerability Database (NVD) : CVE-2023-45727
- IPA SECURITY ALERTS : Security Alert for Vulnerability in Proself (JVN#95981460) (in Japanese)
- JPCERT REPORT : JPCERT-AT-2023-0022 (in Japanese)
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- [2023/10/18]
Web page was published
- [2024/05/15]
References : Content was added
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