SB2021052558 - Ubuntu update for exiv2
Published: May 25, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2021-29463)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within Exiv2::WebPImage::doWriteMetadata(). A remote attacker can pass a specially crafted file to the application and perform a denial of service attack.
2) Out-of-bounds write (CVE-ID: CVE-2021-29464)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in Exiv2::Jp2Image::encodeJp2Header(). A remote attacker can pass specially crafted file to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.
3) Out-of-bounds read (CVE-ID: CVE-2021-29473)
The vulnerability allows a remote attacker to gain access to perform denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing Exif, IPTC, XMP and ICC image metadata. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.
4) Resource exhaustion (CVE-ID: CVE-2021-32617)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application uses an inefficient algorithm (quadratic complexity) when writing metadata into a crafted image file. A remote attacker can trick trigger resource exhaustion and perform a denial of service (DoS) attack.
5) Information disclosure (CVE-ID: CVE-2021-29623)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a read of uninitialized memory flaw. A remote attacker can trick a victim to open a specially crafted image file and gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.