CVE-2008-5279 json
The Local ZIM Server (zcs.exe) in Zilab Chat and Instant Messaging (ZIM) Server 2.1 and earlier allow remote attackers to execute arbitrary…
published 2008-11-29 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5256
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.7%
- EPSS 5.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
5.66% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- securityfocus.com http://www.securityfocus.com/bid/27940 referenced PoC, tagged "exploit" by a source, unverified
- aluigi.org http://aluigi.org/poc/zilabzcsx.zip referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
securityfocus.com
/bid/27940
vdb-entry, exploit
-
aluigi.org
/poc/zilabzcsx.zip
exploit
-
secunia.com
/advisories/29062
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2008/0664
vdb-entry
- aluigi.altervista.org /adv/zilabzcsx-adv.txt
Sources
- CVE List CVE-2008-5279
- NVD CVE-2008-5279
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