Vulnerability Details : CVE-2013-2238
Multiple buffer overflows in the switch_perform_substitution function in switch_regex.c in FreeSWITCH 1.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the index and substituted variables.
Vulnerability category: OverflowExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-2238
Probability of exploitation activity in the next 30 days: 0.41%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 73 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-2238
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2013-2238
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-2238
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http://jira.freeswitch.org/browse/FS-5566
[FS-5566] RFE: Support ${N} syntax for regexp groups expansion - JiraExploit;Patch
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http://www.openwall.com/lists/oss-security/2013/07/04/4
oss-security - Re: CVE request: FreeSWITCH regex substitution 3 buffer overflowsPatch
Products affected by CVE-2013-2238
- cpe:2.3:a:freeswitch:freeswitch:1.2:*:*:*:*:*:*:*