CVE-2013-4357: The eglibc package before 2.14 incorrectly handled the getaddrinfo() function
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HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATEMITIGATE
CVE-2013-4357 is a high-severity flaw (CVSS 7.5) affecting eglibc, suse linux enterprise server, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The eglibc package before 2.14 incorrectly handled the getaddrinfo() function. An attacker could use this issue to cause a denial of service.
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
novell suse linux enterprise server MITIGATE
Affected: 11.0 sp2
Fixed in: no fixed release known
Safe to downgrade to: a release before 11.0
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.
debian debian linux MITIGATE
Affected: 6.0 · 7.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.0
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.
canonical ubuntu linux MITIGATE
Affected: 10.04 · 12.04 · 14.04
Fixed in: no fixed release known
Safe to downgrade to: a release before 10.04
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.
fedoraproject fedora MITIGATE
Affected: 18 · 19
Fixed in: no fixed release known
Safe to downgrade to: a release before 18
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-2013-4357?
eglibc: upgrade to 2.14; suse linux enterprise server: 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-2013-4357 being exploited?
CVE-2013-4357 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-2013-4357 affect?
CVE-2013-4357 affects eglibc, suse linux enterprise server, debian linux. Severity is high (CVSS 7.5). The eglibc package before 2.14 incorrectly handled the getaddrinfo() function. An attacker could use this issue to cause a denial of service.
How urgent is CVE-2013-4357?
Priority 63/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist
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