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Vulnerability record · CVE-2009-0849 · published 9 March 2009

CVE-2009-0849: Novastor novanet memory buffer overflow vulnerability

Novastor · Novanet

Stack-based buffer overflow in the DtbClsLogin function in NovaStor NovaNET 12 allows remote attackers to (1) execute arbitrary code on Linux platforms via a long username field during backup domain authentication, related to libnnlindtb.so; or (2) cause a denial of service (daemon crash) on Windows platforms via a long username field during backup domain authentication, related to nnwindtb.dll. NOTE: some of these details are obtained from third party information.

7.5 CVSS 2.0 High EPSS 17% · top 3.1% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the DtbClsLogin function in NovaStor NovaNET 12 allows remote attackers to (1) execute arbitrary code on Linux platforms via a long username field during backup domain authentication, related to libnnlindtb.so; or (2) cause a denial of service (daemon crash) on Windows platforms via a long username field during backup domain authentication, related to nnwindtb.dll. NOTE: some of these details are obtained from third party information.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/52301 Broken Link
http://osvdb.org/52302 Broken Link
http://secunia.com/advisories/34024 Vendor Advisory
http://www.insight-tech.org/index.php?p=NovaNET-12-Remote-Buffer-Oveflow URL Repurposed
http://www.securityfocus.com/bid/33954 ExploitThird Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/49074 VDB Entry
http://osvdb.org/52301 Broken Link
http://osvdb.org/52302 Broken Link
http://secunia.com/advisories/34024 Vendor Advisory
http://www.insight-tech.org/index.php?p=NovaNET-12-Remote-Buffer-Oveflow URL Repurposed
http://www.securityfocus.com/bid/33954 ExploitThird Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/49074 VDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-0849), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.