01 Record
CVE-2011-3379
The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute arbitrary code by providing a crafted URL and leveraging
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute arbitrary code by providing a crafted URL and leveraging
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-11-03 15:00Z14 YR AGO
- Last updated
- 2024-08-06 23:29Z2 YR AGO
- Reserved
- 2011-08-30
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-94Improper Control of Generation of Code ('Code Injection')Base
- Data version
- 5.1
- Document digest
- 06d184ee6278820e5c152ab3414e8d4b9187a05480471388aee5103e19864a0f
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=741020
- h20000.www2.hp.comHPSBMU02786http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- svn.php.nethttp://svn.php.net/viewvc/?view=revision&revision=317183
- bugs.php.nethttps://bugs.php.net/bug.php?id=55475
- www.securityfocus.com20110923 Security issue is_a function in PHP 5.3.7+http://www.securityfocus.com/archive/1/519770/30/0/threaded
- securityreason.com8525http://securityreason.com/securityalert/8525
- www.byte.nlhttp://www.byte.nl/blog/2011/09/23/security-bug-in-is_a-function-in-php-5-3-7-5-3-8/