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CVE-2017-14804

package builds could use directory traversal to write outside of target area

9.9 CriticalFix available

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.71%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 9.9

package builds could use directory traversal to write outside of target area

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Record
CVE-2017-14804
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2017-6293 9.9

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Record
EUVD-2017-6293
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-q7c2-6g86-6v93 5.3

The build package before 20171128 did not check directory names during extraction of build...

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Record
GHSA-q7c2-6g86-6v93
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-20
Updated
2026-11-02
NVD 9.9

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Record
CVE-2017-14804
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness
CWE-22, CWE-20
Updated
2026-11-02
OSV 5.3

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Record
CVE-2017-14804
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2017-14804 5.3

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Record
DEBIAN-CVE-2017-14804
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
Show 6 moreShow less
OSVUBUNTU-CVE-2017-14804 9.9

The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing escape out of buildroots.

Record
UBUNTU-CVE-2017-14804
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2019:0232-1 No score

Security update for build

This update for build version 20190128 fixes the following issues:

Security issue fixed:

  • CVE-2017-14804: Improve file name check extractbuild (bsc#1069904)

Non-security issue fixed:

  • Add initial SLE 15 SP1 config (bsc#1122895)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:0232-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10665-1 No score

build-20210902-1.2 on GA media

These are all security issues fixed in the build-20210902-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10665-1
Updated
2026-11-02
OSVSUSE-SU-2017:3253-1 No score

Fixing security issues on OBS toolchain

This OBS toolchain update fixes the following issues:

Package 'build':

  • CVE-2010-4226: force use of bsdtar for VMs (bnc#665768)
  • CVE-2017-14804: Improve file name check extractbuild (bsc#1069904)
  • switch baselibs scheme for debuginfo packages from foo-debuginfo-32bit to foo-32bit-debuginfo (fate#323217)

Package 'obs-service-source_validator':

  • CVE-2017-9274: Don't use rpmbuild to extract sources, patches etc. from a spec (bnc#938556).
  • Update to version 0.7
  • use spec_query instead of output_versions using the specfile parser from the build package (boo#1059858)

Package 'osc':

  • update to version 0.162.0
  • add Recommends: ca-certificates to enable TLS verification without manually installing them. (bnc#1061500)
Record
SUSE-SU-2017:3253-1
Updated
2026-11-02
OSVSUSE-SU-2018:0065-1 No score

Fixing security issues on OBS toolchain

This OBS toolchain update fixes the following issues:

Package 'build':

  • CVE-2017-14804: Improve file name check extractbuild (bsc#1069904)
  • Fixed Dockerfile repository parsing

Package 'obs-service-source_validator':

  • CVE-2017-9274: Don't use rpmbuild to extract sources, patches etc. from a spec (bnc#938556).
  • CVE-2016-4007: Several maintained source services are vulnerable to code/paramter injection (bsc#967265)
  • Update to version 0.7.
  • Use spec_query instead of output_versions using the specfile parser from the build package (boo#1059858)
  • obs-service-source_validator: several occurrences of uninitialized value (bsc#967610)
  • hack for util-linux specfiles (bnc#891829)
  • fix dependency to gnupg2 for Fedora (bnc#827480)
  • exit if tmpdir creation fails (bnc#796918)

Package 'osc':

  • Update to version 0.162.0.
Record
SUSE-SU-2018:0065-1
Updated
2026-11-02
OSVSUSE-SU-2019:0387-1 No score

Security update for build

This update for build version 20190128 fixes the following issues:

Security issue fixed:

  • CVE-2017-14804: Improve file name check extractbuild (bsc#1069904)

Non-security issue fixed:

  • Add initial SLE 15 SP1 config (bsc#1122895)
Record
SUSE-SU-2019:0387-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
obs-build
Debian:12
 before 20180302-1
20180302-1
obs-build
Debian:13
 before 20180302-1
20180302-1
obs-build
Debian:14
 before 20180302-1
20180302-1
build
SUSE:Linux Enterprise Software Development Kit 12 SP2
From an advisory covering 3 CVEs
 before 20171128-9.3.2
20171128-9.3.2
obs-service-source_validator
SUSE:Linux Enterprise Software Development Kit 12 SP2
From an advisory covering 3 CVEs
 before 0.7-9.3.1
0.7-9.3.1
osc
SUSE:Linux Enterprise Software Development Kit 12 SP2
From an advisory covering 3 CVEs
 before 0.162.0-15.3.1
0.162.0-15.3.1
build
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 3 CVEs
 before 20171128-9.3.2
20171128-9.3.2
obs-service-source_validator
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 3 CVEs
 before 0.7-9.3.1
0.7-9.3.1
osc
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 3 CVEs
 before 0.162.0-15.3.1
0.162.0-15.3.1
build
SUSE:Linux Enterprise Software Development Kit 11 SP4
From an advisory covering 3 CVEs
 before 20171128-8.3.3
20171128-8.3.3
Show 5 moreShow less
Affected packages
PackageAffectedFixed
osc
SUSE:Linux Enterprise Software Development Kit 11 SP4
From an advisory covering 3 CVEs
 before 0.162.1-7.4.1
0.162.1-7.4.1
build
SUSE:Linux Enterprise Module for Development Tools 15
 before 20190128-3.3.2
20190128-3.3.2
obs-build
Ubuntu:16.04:LTS
 All versions, plus listed versions
20141024-120141024-1.1
 None known
obs-build
Ubuntu:18.04:LTS
 All versions, plus listed versions
20170201-3
 None known
build
openSUSE:Leap 15.0
 before 20190128-lp150.2.3.1
20190128-lp150.2.3.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-14804 is a critical vulnerability (CVSS 9.9) in Suse Build, published December 8, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.71%, the 77th percentile. Fixed in obs-build 20180302-1.

References

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