CVE-2008-5279
CVE-2008-5279 is a critical-severity vulnerability in Zilab Zim Server with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 6% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Zilab Zim Server
- Published:
- Last modified:
Description
The Local ZIM Server (zcs.exe) in Zilab Chat and Instant Messaging (ZIM) Server 2.1 and earlier allow remote attackers to execute arbitrary code via (1) heap-based buffer overflows involving multiple vectors including a long room name and a long source account, and (2) a stack-based buffer overflow with a long username in an information request. NOTE: some of these details are obtained from third party information.
Frequently asked questions
- What is CVE-2008-5279?
- The Local ZIM Server (zcs.exe) in Zilab Chat and Instant Messaging (ZIM) Server 2.1 and earlier allow remote attackers to execute arbitrary code via (1) heap-based buffer overflows involving multiple vectors including a long room name and a long source account, and (2) a stack-based buffer overflow with a long username in an information request. NOTE: some of these details are obtained from third party information.
- How severe is CVE-2008-5279?
- CVE-2008-5279 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2008-5279 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2008-5279?
- CVE-2008-5279 primarily affects Zilab Zim Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2008-5279?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2008-5279 published?
- CVE-2008-5279 was published on 2008-11-29 and last updated on 2026-06-16.
References
- http://aluigi.altervista.org/adv/zilabzcsx-adv.txt
- http://aluigi.org/poc/zilabzcsx.zip
- http://secunia.com/advisories/29062
- http://www.securityfocus.com/bid/27940
- http://www.vupen.com/english/advisories/2008/0664
Affected products (2)
- cpe:2.3:a:zilab:zim_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:zilab:zim_server:2.0:*:*:*:*:*:*:*
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- CVE-2008-5280 — Medium (CVSS 5.0): The Local ZIM Server in Zilab Chat and Instant Messaging (ZIM) Server 2.0 and 2.1 allows remote attackers to cause a…
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