SARA / Free Tools / CVE / CVE-2019-11039

CVE-2019-11039 — Function iconv_mime_decode_headers() in PHP versions 7

Function iconv_mime_decode_headers() in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 may perform out-of-buffer read due to integer overflow when parsing MIME headers. This may lead to information disclosure or crash.

CVSS
4.2 MEDIUM
EPSS
1.44% (top 19.50%)
CWE
CWE-125
Published
2019-06-18T23:28:28.280Z
Last modified
2024-09-17T00:21:46.316Z
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L

01What is this vulnerability?

Function iconv_mime_decode_headers() in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 may perform out-of-buffer read due to integer overflow when parsing MIME headers. This may lead to information disclosure or crash.

02Affected products

VendorProductVersions
PHP GroupPHP7.1.30, 7.2.19, 7.3.6

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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