CVE-2019-9638

NameCVE-2019-9638
DescriptionAn issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the maker_note->offset relationship to value_len.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1741-1, DSA-4403-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)jessie5.6.33+dfsg-0+deb8u1vulnerable
jessie (security)5.6.40+dfsg-0+deb8u5fixed
php7.0 (PTS)stretch (security), stretch7.0.33-0+deb9u3fixed
php7.3 (PTS)buster7.3.4-2fixed
bullseye7.3.8-1fixed
sid7.3.9-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)(unfixed)medium
php5sourcejessie5.6.40+dfsg-0+deb8u2mediumDLA-1741-1
php7.0source(unstable)(unfixed)medium
php7.0sourcestretch7.0.33-0+deb9u3mediumDSA-4403-1
php7.3source(unstable)7.3.3-1medium

Notes

Fixed in 7.1.27, 7.2.16, 7.3.3
PHP Bug: https://bugs.php.net/bug.php?id=77563

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