CVE-2017-5331: Integer overflow in the check_offset function in b/wrestool/fileread.c in icoutils before 0.31.1 allows local
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HIGH 7.8WATCHLISTUPGRADEMITIGATEMITIGATE
CVE-2017-5331 is a high-severity flaw (CVSS 7.8) affecting icoutils, ubuntu linux, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Integer overflow in the check_offset function in b/wrestool/fileread.c in icoutils before 0.31.1 allows local users to cause a denial of service (process crash) and execute arbitrary code via a crafted executable.
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
canonical ubuntu linux MITIGATE
Affected: 12.04
Fixed in: no fixed release known
Safe to downgrade to: a release before 12.04
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
debian debian linux MITIGATE
Affected: 8.0 · 9.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 8.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
opensuse leap MITIGATE
Affected: 42.1 · 42.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 42.1
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
opensuse opensuse MITIGATE
Affected: 13.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 13.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · CVE Program · Report a problem with this page Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2017-5331?
icoutils: upgrade to 0.31.1; ubuntu linux: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2017-5331 being exploited?
CVE-2017-5331 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2017-5331 affect?
CVE-2017-5331 affects icoutils, ubuntu linux, debian linux. Severity is high (CVSS 7.8). Integer overflow in the check_offset function in b/wrestool/fileread.c in icoutils before 0.31.1 allows local users to cause a denial of service (process crash) and execute arbitrary code via a crafted executable.
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