CVE-2020-1917

xbuf_format_converter, used as part of exif_read_data, was appending a terminating null character to the generated string, but was not using its standard append char function. As a result, if the buffer was full, it would result in an out-of-bounds write. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.94.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.95.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.96.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.97.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.98.0:*:*:*:*:*:*:*

History

21 Nov 2024, 05:11

Type Values Removed Values Added
References () https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca - Patch, Third Party Advisory () https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca - Patch, Third Party Advisory
References () https://hhvm.com/blog/2021/02/25/security-update.html - Release Notes, Vendor Advisory () https://hhvm.com/blog/2021/02/25/security-update.html - Release Notes, Vendor Advisory

Information

Published : 2021-03-10 16:15

Updated : 2024-11-21 05:11


NVD link : CVE-2020-1917

Mitre link : CVE-2020-1917

CVE.ORG link : CVE-2020-1917


JSON object : View

Products Affected

facebook

  • hhvm
CWE
CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write