CVE-2009-4023
CVE-2009-4023 is a high-severity vulnerability in Pear with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Pear
- Published:
- Last modified:
Description
Argument injection vulnerability in the sendmail implementation of the Mail::Send method (Mail/sendmail.php) in the Mail package 1.1.14 for PEAR allows remote attackers to read and write arbitrary files via a crafted $from parameter, a different vector than CVE-2009-4111.
Frequently asked questions
- What is CVE-2009-4023?
- Argument injection vulnerability in the sendmail implementation of the Mail::Send method (Mail/sendmail.php) in the Mail package 1.1.14 for PEAR allows remote attackers to read and write arbitrary files via a crafted $from parameter, a different vector than CVE-2009-4111.
- How severe is CVE-2009-4023?
- CVE-2009-4023 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2009-4023 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-4023?
- CVE-2009-4023 affects Pear. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2009-4023?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2009-4023 published?
- CVE-2009-4023 was published on 2009-11-29 and last updated on 2026-06-16.
References
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
- http://pear.php.net/bugs/bug.php?id=16200
- http://pear.php.net/bugs/bug.php?id=16200&edit=12&patch=quick-fix&revision=1241757412
- http://secunia.com/advisories/37410
- http://secunia.com/advisories/37458
- http://svn.php.net/viewvc/pear/packages/Mail/trunk/Mail/sendmail.php?r1=243717&r2=280134
- http://www.debian.org/security/2009/dsa-1938
- http://www.openwall.com/lists/oss-security/2009/11/23/8
- http://www.securityfocus.com/bid/37081
- http://www.vupen.com/english/advisories/2009/3300
- https://bugs.gentoo.org/show_bug.cgi?id=294256
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54362
Affected products (1)
- cpe:2.3:a:pear:pear:1.1.14:*:*:*:*:*:*:*
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