CVE-2019-11047— Heap-buffer-overflow READ in exif
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I. Basic Information for CVE-2019-11047
Vulnerability Information
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Vulnerability Title
Heap-buffer-overflow READ in exif
Source: NVD (National Vulnerability Database)
Vulnerability Description
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHP EXIF extension 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHPGroup和开放源代码社区的共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。EXIF extension是其中的一个用于读取和编写图像元数据的扩展。 PHP 7.2.26之前的7.2.x版本、7.3.13之前的7.3.x版本和7.4.0版本中的EXIF extension存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2019-11047
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- https://bugs.php.net/bug.php?id=78910x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200103-0002/x_refsource_CONFIRM
- https://www.tenable.com/security/tns-2021-14x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00036.htmlvendor-advisoryx_refsource_SUSE
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-11047
Same Patch Batch · PHP Group · 2019-12-23 · 6 CVEs total
| CVE-2019-11049 | 6.5 MEDIUM | mail() may release string with refcount==1 twice |
| CVE-2019-11050 | 4.8 MEDIUM | Use-after-free in exif parsing under memory sanitizer |
| CVE-2019-11044 | 3.7 LOW | link() silently truncates after a null byte on Windows |
| CVE-2019-11045 | 3.7 LOW | DirectoryIterator class silently truncates after a null byte |
| CVE-2019-11046 | 3.7 LOW | Buffer underflow in bc_shift_addsub |
IV. Related Vulnerabilities
Same product: PHP
Same vendor: PHP Group
Same weakness: CWE-125
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ASUS System Control Interface 缓冲区错误漏洞 - CVE-2026-8088
OSGeo gdal GDapi.c GDfieldinfo out-of-bounds
V. Comments for CVE-2019-11047
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