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CVE-2010-4344

🗓️ 14 Dec 2010 15:00:00Reported by redhatType 
cve
 cve🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 1414 Views🌐 WEB

Heap-based buffer overflow in string_vformat function in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session

Related
Detection
Refs
Paths
Social
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Exim < 4.70 string_format Function Remote Overflow
15 Dec 201000:00
–nessus
nessus
Tenable Nessus		CentOS 4 : exim (CESA-2010:0970)
28 Jan 201100:00
–nessus
nessus
Tenable Nessus		Debian DSA-2131-1 : exim4 - arbitrary code execution
12 Dec 201000:00
–nessus
nessus
Tenable Nessus		Exim string_format Function Remote Overflow
15 Dec 201000:00
–nessus
nessus
Tenable Nessus		GLSA-201401-32 : Exim: Multiple vulnerabilities
28 Jan 201400:00
–nessus
nessus
Tenable Nessus		Oracle Linux 5 : exim (ELSA-2010-0970)
12 Jul 201300:00
–nessus
nessus
Tenable Nessus		RHEL 4 / 5 : exim (RHSA-2010:0970)
12 Dec 201000:00
–nessus
nessus
Tenable Nessus		Scientific Linux Security Update : exim on SL4.x, SL5.x i386/x86_64
1 Aug 201200:00
–nessus
nessus
Tenable Nessus		openSUSE Security Update : exim (openSUSE-SU-2010:1052-1)
5 May 201100:00
–nessus
nessus
Tenable Nessus		openSUSE Security Update : exim (openSUSE-SU-2010:1052-1)
5 May 201100:00
–nessus
Rows per page
NVD
Node
eximeximRange<4.70
Node
OR
opensuseopensuseMatch11.1
opensuseopensuseMatch11.2
opensuseopensuseMatch11.3
Node
debiandebian_linuxMatch5.0
Node
OR
canonicalubuntu_linuxMatch6.06
canonicalubuntu_linuxMatch8.04-
canonicalubuntu_linuxMatch9.10
ParameterPositionPathDescriptionCWE
MAIL FROMrequest bodywww.h4x.net/shell.txtExim SMTP payload references loading a trojan URL for a reverse shell and large crafted message to trigger overflowCWE-787
RCPT TOrequest bodywww.h4x.net/shell.txtExim SMTP payload references loading a trojan URL for a reverse shell and large crafted message to trigger overflowCWE-787
DATArequest bodywww.h4x.net/shell.txtExim SMTP payload references loading a trojan URL for a reverse shell and large crafted message to trigger overflowCWE-787
HeaderXrequest bodywww.h4x.net/shell.txtExim SMTP payload references loading a trojan URL for a reverse shell and large crafted message to trigger overflowCWE-787
Header%04drequest bodywww.h4x.net/shell.txtExim SMTP payload references loading a trojan URL for a reverse shell and large crafted message to trigger overflowCWE-787
Envelope-fromrequest bodywww.h4x.net/shell.txtExim SMTP payload references loading a trojan URL for a reverse shell and large crafted message to trigger overflowCWE-787
Envelope-torequest bodywww.h4x.net/shell.txtExim SMTP payload references loading a trojan URL for a reverse shell and large crafted message to trigger overflowCWE-787

If attackers can pass a negative size to the allocator, they can overwrite Exim's config with "${run{...}}" strings and execute arbitrary commands. "The first recorded use of expand_string() in an Exim exploit is CVE-2010-4344, an important part of (boomer) Internet folklore"

If attackers can pass a negative size to the allocator, they can overwrite Exim's config with "${run{...}}" strings and execute arbitrary commands. "The first recorded use of expand_string() in an Exim exploit is CVE-2010-4344, an important part of (boomer) Internet folklore"

CVE-2010-4344 Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conj... https://t.co/9znIpXaYUT?amp=1

CVE-2010-4344 Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conj... https://t.co/9znIpXaYUT?amp=1

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16 Jun 2026 23:24Current
9.7Critical risk
Vulners AI Score9.7
CVSS 29.3
CVSS 3.19.8
EPSS0.71901
SSVC
CWE-787In Wild
cve-2010-4344eximbuffer overflowstring_vformatsmtpremote code executionnvd
1414