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7.2
HIGH CVSS 2.0
CVE-2015-5277
GNU C Library NSS Files Heap Corruption and Privilege Escalation Vulnerability
Description

The get_contents function in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) before 2.20 might allow local users to cause a denial of service (heap corruption) or gain privileges via a long line in the NSS files database.

INFO

Published Date :

Dec. 17, 2015, 7:59 p.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2015-5277 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_hpc_node
1 Canonical ubuntu_linux
1 Gnu glibc
: Total Affected Vendor : 3 | Products : 6
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Solution
This vulnerability can be mitigated by updating the glibc package to the latest version.
  • Update the GNU C Library (glibc) package.
  • Reboot the system if required by the update process.
Public PoC/Exploit Available at Github

CVE-2015-5277 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-5277.

URL Resource
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://rhn.redhat.com/errata/RHSA-2015-2172.html
http://seclists.org/fulldisclosure/2019/Sep/7
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/78092
http://www.securitytracker.com/id/1034196
http://www.ubuntu.com/usn/USN-2985-1
http://www.ubuntu.com/usn/USN-2985-2
https://bugzilla.redhat.com/show_bug.cgi?id=1262914
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201702-11
https://sourceware.org/bugzilla/show_bug.cgi?id=17079
https://sourceware.org/ml/libc-alpha/2014-09/msg00088.html
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://rhn.redhat.com/errata/RHSA-2015-2172.html
http://seclists.org/fulldisclosure/2019/Sep/7
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/78092
http://www.securitytracker.com/id/1034196
http://www.ubuntu.com/usn/USN-2985-1
http://www.ubuntu.com/usn/USN-2985-2
https://bugzilla.redhat.com/show_bug.cgi?id=1262914
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201702-11
https://sourceware.org/bugzilla/show_bug.cgi?id=17079
https://sourceware.org/ml/libc-alpha/2014-09/msg00088.html
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-5277 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-5277 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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auditt7708/rhsecapi

None

Python

Updated: 1 year, 3 months ago
0 stars 0 fork 0 watcher
Born at : May 18, 2024, 2:30 p.m. This repo has been linked 57 different CVEs too.
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RedHatProductSecurity/rhsecapi

None

Python

Updated: 7 months, 2 weeks ago
7 stars 3 fork 3 watcher
Born at : April 12, 2021, 4:06 a.m. This repo has been linked 57 different CVEs too.
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RedHatOfficial/rhsecapi

Tools that utilize the Red Hat Security Data API

Python

Updated: 2 months, 3 weeks ago
65 stars 27 fork 27 watcher
Born at : Oct. 14, 2016, 4:41 p.m. This repo has been linked 57 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-5277 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2015-5277 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-2172.html
    Added Reference http://seclists.org/fulldisclosure/2019/Sep/7
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
    Added Reference http://www.securityfocus.com/bid/78092
    Added Reference http://www.securitytracker.com/id/1034196
    Added Reference http://www.ubuntu.com/usn/USN-2985-1
    Added Reference http://www.ubuntu.com/usn/USN-2985-2
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1262914
    Added Reference https://seclists.org/bugtraq/2019/Sep/7
    Added Reference https://security.gentoo.org/glsa/201702-11
    Added Reference https://sourceware.org/bugzilla/show_bug.cgi?id=17079
    Added Reference https://sourceware.org/ml/libc-alpha/2014-09/msg00088.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description It was discovered that the nss_files backend for the Name Service Switch in glibc would return incorrect data to applications or corrupt the heap (depending on adjacent heap contents). A local attacker could potentially use this flaw to execute arbitrary code on the system. The get_contents function in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) before 2.20 might allow local users to cause a denial of service (heap corruption) or gain privileges via a long line in the NSS files database.
    Removed CVSS V2 Red Hat, Inc. (AV:L/AC:H/Au:N/C:P/I:P/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2015:2172 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:2589 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2015-5277 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description The get_contents function in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) before 2.20 might allow local users to cause a denial of service (heap corruption) or gain privileges via a long line in the NSS files database. It was discovered that the nss_files backend for the Name Service Switch in glibc would return incorrect data to applications or corrupt the heap (depending on adjacent heap contents). A local attacker could potentially use this flaw to execute arbitrary code on the system.
    Added CVSS V2 Red Hat, Inc. (AV:L/AC:H/Au:N/C:P/I:P/A:P)
    Added Reference https://access.redhat.com/security/cve/CVE-2015-5277 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:2589 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:2172 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 05, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 05, 2019

    Action Type Old Value New Value
    Added Reference https://seclists.org/bugtraq/2019/Sep/7 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 04, 2019

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2019/Sep/7 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201702-11 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/78092 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 15, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
  • Modified Analysis by [email protected]

    Jun. 09, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:gnu:glibc:2.19:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:gnu:glibc:2.19:*:*:*:*:*:*:* (and previous) Configuration 3 OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Jun. 03, 2016

    Action Type Old Value New Value
    Added Reference http://www.ubuntu.com/usn/USN-2985-2
    Added Reference http://www.ubuntu.com/usn/USN-2985-1
  • Modified Analysis by [email protected]

    Dec. 18, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:gnu:glibc:2.19:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Dec. 18, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} -0.01%

score

0.26930

percentile