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Red Hat Security Advisory

RHSA-2020:3662

php:7.3 security, bug fix, and enhancement update

Released 2020-09-08 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 22 records

Priority MEDIUM 51

When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.08888 Published 2020-02-10 Partial fix · 7.2.27, 7.3.14 +1 CWE-125
TI-2020-05698 CVE-2020-7059 · GHSA-q8qf-vj8v-x7r9

OOB read in php_strip_tags_ex

Priority MEDIUM 49

When using fgetss() function to read data with stripping tags, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause this function to read past the all…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.07402 Published 2020-02-10 Partial fix · 7.2.27, 7.3.14 +1 CWE-125
Priority MEDIUM 49

A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.04047 Published 2019-07-10 Partial fix CWE-416
Priority MEDIUM 46

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.04883 Published 2020-04-01 Fixed in 7.3.16, 7.4.4 CWE-121
TI-2019-08256 CVE-2019-11040 · GHSA-9mjv-243x-3w2q

Heap buffer overflow in EXIF extension

Priority MEDIUM 46

When PHP EXIF extension is parsing EXIF information from an image, e.g.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.04068 Published 2019-06-18 Partial fix CWE-125
TI-2019-08255 CVE-2019-11039 · GHSA-fc8g-9mgh-947m

Out-of-bounds read in iconv.c

Priority MEDIUM 45

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.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.0313 Published 2019-06-18 Partial fix CWE-125
Priority LOW 39

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.03581 Published 2020-02-27 Partial fix · 7.3.15, 7.4.3 +1 CWE-476
Priority LOW 39

When PHP EXIF extension is parsing EXIF information from an image, e.g.

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.07624 Published 2019-12-23 Partial fix · 7.2.26, 7.3.13 +1 CWE-125
TI-2019-08263 CVE-2019-11047 · GHSA-r6mj-gw85-2394

Heap-buffer-overflow READ in exif

Priority LOW 39

When PHP EXIF extension is parsing EXIF information from an image, e.g.

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.07473 Published 2019-12-23 Partial fix · 7.2.26, 7.3.13 +1 CWE-125
Priority LOW 38

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP DirectoryIterator class accepts filenames with embedded \0 byte and treats them as terminating at that byte.

CVSS 3.1MEDIUM 5.9 Network No auth No interaction EPSS 0.08818 Published 2019-12-23 Partial fix · 7.2.26, 7.3.13 +1 CWE-170
TI-2020-05703 CVE-2020-7064 · GHSA-rw73-mxr4-6595

Use-of-uninitialized-value in exif

Priority LOW 36

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory…

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.04295 Published 2020-04-01 Partial fix · 7.3.16, 7.4.4 +1 CWE-125
Priority LOW 33

In PHP versions 7.2.x below 7.2.31, 7.3.x below 7.3.18 and 7.4.x below 7.4.6, when HTTP file uploads are allowed, supplying overly long filenames or field names could lead PHP engine to try to allocate oversized memory s…

CVSS 3.1MEDIUM 5.3 Network No auth No interaction EPSS 0.06264 Published 2020-05-20 Partial fix · 7.3.18, 7.4.6 +1 CWE-190
Priority LOW 29

In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it.

CVSS 3.1MEDIUM 5.3 Network No auth No interaction EPSS 0.02767 Published 2020-04-01 Partial fix CWE-170
Priority LOW 28

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when creating PHAR archive using PharData::buildFromIterator() function, the files are added with default permissions (0666, or all access) ev…

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.01594 Published 2020-02-27 Partial fix · 7.3.15, 7.4.3 +1 CWE-281