CVE-2019-20021
published 2019-12-27CVE-2019-20021: A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
PriorityP416medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
1.10%
61.5th percentile
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | upx-ucl | < upx-ucl 3.96-1 (bullseye) | upx-ucl 3.96-1 (bullseye) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| upx | upx | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv9.8CRITICAL
vendor_debian5.5LOW
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GHSA
GHSA-97cx-745f-9p9g: A heap-based buffer over-read was discovered in canUnpack in p_mach
ghsa_unreviewed·2022-05-24
CVE-2019-20021 [MEDIUM] CWE-125 GHSA-97cx-745f-9p9g: A heap-based buffer over-read was discovered in canUnpack in p_mach
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
OSV
italc vulnerabilities
osv·2020-09-28·CVSS 9.8
CVE-2019-15681 italc vulnerabilities
italc vulnerabilities
It was discovered that an information disclosure vulnerability existed in the
LibVNCServer vendored in iTALC when sending a ServerCutText message. An
attacker could possibly use this issue to expose sensitive information.
(CVE-2019-15681)
It was discovered that the LibVNCServer and LibVNCClient vendored in iTALC
incorrectly handled certain packet lengths. A remote attacker could possibly
use this issue to obtain sensitive information, cause a denial of service, or
execute arbitrary code.
(CVE-2018-15127 CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022,
CVE-2018-20023, CVE-2018-20024, CVE-2018-20748, CVE-2018-20749, CVE-2018-20750,
CVE-2018-7225, CVE-2019-15681)
OSV
CVE-2019-20021: A heap-based buffer over-read was discovered in canUnpack in p_mach
osv·2019-12-27·CVSS 5.5
CVE-2019-20021 [MEDIUM] CVE-2019-20021: A heap-based buffer over-read was discovered in canUnpack in p_mach
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Debian
CVE-2019-20021: upx-ucl - A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3...
vendor_debian·2019·CVSS 5.5
CVE-2019-20021 [MEDIUM] CVE-2019-20021: upx-ucl - A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3...
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Scope: local
bullseye: resolved (fixed in 3.96-1)
forky: resolved (fixed in 3.96-1)
sid: resolved (fixed in 3.96-1)
trixie: resolved (fixed in 3.96-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [epel-7]
bugzilla·2020-01-17·CVSS 5.5
CVE-2019-20021 [MEDIUM] CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [epel-7]
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following template to for the
Bugzilla
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp
bugzilla·2020-01-17·CVSS 5.5
CVE-2019-20021 [MEDIUM] CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Reference:
https://github.com/upx/upx/issues/315
Discussion:
Created upx tracking bugs for this issue:
Affects: epel-7 [bug 1792328]
Affects: epel-8 [bug 1792329]
Affects: fedora-all [bug 1792327]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Bugzilla
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [epel-8]
bugzilla·2020-01-17·CVSS 5.5
CVE-2019-20021 [MEDIUM] CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [epel-8]
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [epel-8]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-8.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following template to for the
Bugzilla
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [fedora-all]
bugzilla·2020-01-17·CVSS 5.5
CVE-2019-20021 [MEDIUM] CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [fedora-all]
CVE-2019-20021 upx: heap-based buffer overflow in canUnpack in p_mach.cpp [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlhttps://github.com/upx/upx/issues/315https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlhttps://github.com/upx/upx/issues/315https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/
2019-12-27
Published