CVE-2018-10549 Memory corruption in n/a
An out-of-bounds read in the PHP exif extension allows attackers to cause denial of service or disclose information via crafted JPEG data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-10549?
CVE-2018-10549 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 29 Apr 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. exif_read_data in ext/exif/exif.c has an out-of-bounds read for crafted JPEG data because exif_iif_add_value mishandles the case of a MakerNote that lacks a final '\0' character.
Weakness: CWE-125
Which versions are affected by CVE-2018-10549?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Netapp Storage Automation Store, Php Php.
How do I fix CVE-2018-10549?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-10549 being exploited?
There is no known exploitation of CVE-2018-10549 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-89g9-q2qh-fmrm, UBUNTU-CVE-2018-10549.