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CVE-2018-1000178

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void...

9.8 CriticalFix available

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

4.05%Up 1.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Record
CVE-2018-1000178
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Record
CVE-2018-1000178
Updated
2026-11-02
EUVDEUVD-2018-1871 No score

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Record
EUVD-2018-1871
Updated
2026-11-03
GitHub AdvisoriesGHSA-h2q5-7v73-r3cx 9.8

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void...

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Record
GHSA-h2q5-7v73-r3cx
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV 9.8

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Record
CVE-2018-1000178
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-1000178 9.8

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Record
DEBIAN-CVE-2018-1000178
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVUBUNTU-CVE-2018-1000178 9.8

A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) datastreampeer.cpp line 62 that allows an attacker to execute code remotely.

Record
UBUNTU-CVE-2018-1000178
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2018-0243 No score

Updated quassel packages fix security vulnerabilities

A heap corruption exists in quassel version 0.12.4 in quasselcore that allows an attacker to execute code remotely (CVE-2018-1000178).

A NULL Pointer Dereference exists in quassel version 0.12.4 in the quasselcore that allows an atacker to denial of service by attempting a login when the database is not initialized (CVE-2018-1000179).

The Mageia 5 package has been patched to fix these issues and the Mageia 6 package has been upgraded to version 0.12.5, which also has other fixes and improvements.

Record
MGASA-2018-0243
Updated
2026-11-02
OSVopenSUSE-SU-2024:11291-1 No score

quassel-base-0.13.1-4.10 on GA media

These are all security issues fixed in the quassel-base-0.13.1-4.10 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11291-1
Updated
2026-11-02
OSVUSN-4594-1 No score

quassel vulnerabilities

It was discovered that Quassel incorrectly handled Qdatastream protocol. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-1000178)

It was discovered that Quassel incorrectly handled certain login requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2018-1000179)

Record
USN-4594-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
quassel
Debian:12
 before 1:0.12.5-1
1:0.12.5-1
quassel
Debian:13
 before 1:0.12.5-1
1:0.12.5-1
quassel
Debian:14
 before 1:0.12.5-1
1:0.12.5-1
quassel
Debian:7
 before 0.8.0-1+deb7u4, plus listed versions
0.8.0-10.8.0-1+deb7u10.8.0-1+deb7u20.8.0-1+deb7u3
0.8.0-1+deb7u4
quassel
Debian:8
From an advisory covering 2 CVEs
 before 1:0.10.0-2.3+deb8u4, plus listed versions
1:0.10.0-2.31:0.10.0-2.3+deb8u11:0.10.0-2.3+deb8u21:0.10.0-2.3+deb8u3
1:0.10.0-2.3+deb8u4
quassel
Debian:9
From an advisory covering 2 CVEs
 before 1:0.12.4-2+deb9u1, plus listed versions
1:0.12.4-2
1:0.12.4-2+deb9u1
quassel
Mageia:5
From an advisory covering 2 CVEs
 before 0.10.1-5.3.mga5
0.10.1-5.3.mga5
quassel
Mageia:6
From an advisory covering 2 CVEs
 before 0.12.5-1.mga6
0.12.5-1.mga6
quassel
Ubuntu:14.04:LTS
 before 0.10.0-0ubuntu2.3, plus listed versions
0.9.1-0ubuntu10.9.2-0ubuntu10.9.2-0ubuntu20.9.2-0ubuntu30.9.2-0ubuntu4
Show 6 moreShow less
0.10~beta1-0ubuntu10.10~rc1-0ubuntu10.10.0-0ubuntu10.10.0-0ubuntu20.10.0-0ubuntu2.10.10.0-0ubuntu2.2
0.10.0-0ubuntu2.3
quassel
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.12.2-0ubuntu10.12.2-0ubuntu1.16.04.2
 None known
quassel
Ubuntu:18.04:LTS
 before 1:0.12.4-3ubuntu1.18.04.3, plus listed versions
1:0.12.4-2ubuntu21:0.12.4-2ubuntu31:0.12.4-3ubuntu11:0.12.4-3ubuntu1.18.04.11:0.12.4-3ubuntu1.18.04.2
1:0.12.4-3ubuntu1.18.04.3
quassel
Ubuntu:18.04:LTS
From an advisory covering 2 CVEs
 before 1:0.12.4-3ubuntu1.18.04.3, plus listed versions
1:0.12.4-2ubuntu21:0.12.4-2ubuntu31:0.12.4-3ubuntu11:0.12.4-3ubuntu1.18.04.11:0.12.4-3ubuntu1.18.04.2
1:0.12.4-3ubuntu1.18.04.3

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-2018-1000178 is a critical vulnerability (CVSS 9.8) in Quassel-irc Quassel, published May 2, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.05%, the 90th percentile. Fixed in quassel 1:0.12.5-1.

References

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