Information disclosure in PHP
CVE-2010-2531
The var_export function in PHP 5.2 before 5.2.14 and 5.3 before 5.3.3 flushes the output buffer to the user when certain fatal errors occur, even if display_errors is off, which allows remote attackers to obtain sensitive information by causing the application to exceed limits for memory, execution time, or recursion.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.050 (91.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
- PHP
- Debian Linux — versions 5.0, 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/kb/HT4435 (Third Party Advisory)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2010/07/16/3 (mailing-list, Mailing List, Third Party Advisory)
- svn.php.net/viewvc/php/php-src/trunk/ext/standard/tests/general_functions/var_e… (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.debian.org/security/2011/dsa-2266 (vendor-advisory, Third Party Advisory)
- lists.apple.com/archives/security-announce/2010//Nov/msg00000.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.redhat.com/support/errata/RHSA-2010-0919.html (vendor-advisory, Third Party Advisory)
- lists.apple.com/archives/security-announce/2010//Aug/msg00003.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2010-2531?
- CVE-2010-2531 is a vulnerability in PHP, classified under Information Disclosure. Published 2010-08-20.
- Is CVE-2010-2531 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.