Vulnerability Details : CVE-2011-2940
stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Products affected by CVE-2011-2940
- cpe:2.3:a:stunnel:stunnel:4.40:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:4.41:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-2940
4.48%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2940
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST |
CWE ids for CVE-2011-2940
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2940
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http://stunnel.org/?page=sdf_ChangeLog
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http://www.openwall.com/lists/oss-security/2011/08/19/18
oss-security - Re: CVE request: stunnel 4.4x heap overflow flaw
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https://exchange.xforce.ibmcloud.com/vulnerabilities/69318
stunnel unspecified code execution CVE-2011-2940 Vulnerability Report
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http://www.openwall.com/lists/oss-security/2011/08/19/6
oss-security - CVE request: stunnel 4.4x heap overflow flaw
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https://bugzilla.redhat.com/show_bug.cgi?id=732068
732068 – (CVE-2011-2940) CVE-2011-2940 stunnel: heap corruption flaw in 4.4x leads to remote DoS and possible code execution
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http://securitytracker.com/id?1025959
Stunnel Heap Overflow Lets Remote Users Execute Arbitrary Code - SecurityTracker
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http://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.html
[stunnel-announce] stunnel 4.42 released
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http://www.securityfocus.com/bid/49254
Stunnel Unspecified Memory Corruption Vulnerability
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