synced 12 MIN AGO
01 Record

CVE-2013-7423

The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
5.80% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 92.9% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2015-02-24 15:00Z11 YR AGO
Last updated
2024-08-06 18:09Z2 YR AGO
Reserved
2015-01-28
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-17
  • CWE-941Incorrectly Specified Destination in a Communication ChannelBase
Data version
5.1
Document digest
62d8dc740a85809d55e74475805de737b17fa384c68ec2f59f1c4da478bce3be

05 Affected products

VendorProductVersionsPlatforms
canonicalubuntu_linuxNot specified—
gnuglibcNot specified—
opensuseopensuseNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_linux_server_ausNot specified—
redhatrhel_ausNot specified—
redhatrhel_eusNot specified—

06 References

07 Fixed in

Debian 12

  • glibc
    Fixed in 2.19-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • glibc
    Fixed in 2.19-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • glibc
    Fixed in 2.19-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • eglibc
    Fixed in 2.19-0ubuntu6.6

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.