SB2018110305 - Multiple vulnerabilities in GNU Exiv2
Published: November 3, 2018 Updated: October 27, 2022
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-2018-20096)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
2) Out-of-bounds read (CVE-ID: CVE-2018-20098)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
3) Infinite loop (CVE-ID: CVE-2018-20099)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
There is an infinite loop in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
4) NULL pointer dereference (CVE-ID: CVE-2018-19607)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted file.
5) Infinite loop (CVE-ID: CVE-2018-18915)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
There is an infinite loop in the Exiv2::Image::printIFDStructure function of image.cpp in Exiv2 0.27-RC1. A crafted input will lead to a remote denial of service attack.
Remediation
Install update from vendor's website.
References
- https://access.redhat.com/errata/RHSA-2019:2101
- https://github.com/Exiv2/exiv2/issues/590
- https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00009.html
- https://github.com/Exiv2/exiv2/issues/561
- https://github.com/Exiv2/exiv2/issues/511