Vulnerability Details : CVE-2012-4507
The strchr function in procmime.c in Claws Mail (aka claws-mail) 3.8.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted email.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2012-4507
- cpe:2.3:a:claws-mail:claws-mail:3.8.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-4507
2.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-4507
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
References for CVE-2012-4507
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https://bugzilla.redhat.com/show_bug.cgi?id=862578
862578 – (CVE-2012-4507) CVE-2012-4507 [abrt] claws-mail-3.8.1-1.fc17: strchr: Process /usr/bin/claws-mail was killed by signal 11 (SIGSEGV)
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http://www.openwall.com/lists/oss-security/2012/10/10/3
oss-security - Re: CVE Request -- claws-mail -- NULL pointer derefence while processing email content.
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http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html
openSUSE-SU-2012:1374-1: claws-mail: fixed a denial of service attack
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http://www.openwall.com/lists/oss-security/2012/10/09/1
oss-security - Claws-mail security issue in message processingPatch
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http://www.securityfocus.com/bid/55837
Claws Mail 'strchr()' Function NULL Pointer Denial of Service Vulnerability
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http://www.openwall.com/lists/oss-security/2012/10/09/3
oss-security - CVE Request -- claws-mail -- NULL pointer derefence while processing email content.
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http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743
2743 – NULL-ptr crash in procmime.c strchr()Patch
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