Vulnerability Details : CVE-2019-20053
Potential exploit
An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Products affected by CVE-2019-20053
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*
- cpe:2.3:a:upx:upx:3.95:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20053
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20053
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2019-20053
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-20053
-
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
[security-announce] openSUSE-SU-2020:0163-1: moderate: Security update fMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html
[security-announce] openSUSE-SU-2020:0180-1: moderate: Security update fMailing List;Third Party Advisory
-
https://github.com/upx/upx/issues/314
Segmentation fault (ASAN: SEGV on unknown address) in the PackMachBase<N_Mach::MachClass_64<N_BELE_CTP::LEPolicy> >::canUnpack() function of p_mach.cpp:1539 · Issue #314 · upx/upx · GitHubExploit;Third Party Advisory
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