Vulnerability Details : CVE-2023-23457
A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.
Vulnerability category: OverflowMemory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2023-23457
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 22 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2023-23457
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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 |
|
5.3
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
1.8
|
3.4
|
Fedora Project |
CWE ids for CVE-2023-23457
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by:
- nvd@nist.gov (Primary)
- patrick@puiterwijk.org (Secondary)
References for CVE-2023-23457
-
https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860
invert_pt_dynamic: fix thinko; PackLinuxElf64help1 insist on ELF · upx/upx@779b648 · GitHubPatch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
[SECURITY] Fedora 36 Update: upx-4.0.1-2.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/
[SECURITY] Fedora 37 Update: upx-4.0.1-2.fc37 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
[SECURITY] Fedora 36 Update: upx-4.0.1-2.fc36 - package-announce - Fedora Mailing-Lists
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/
[SECURITY] Fedora 37 Update: upx-4.0.1-2.fc37 - package-announce - Fedora Mailing-Lists
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https://bugzilla.redhat.com/show_bug.cgi?id=2160382
2160382 – (CVE-2023-23457) CVE-2023-23457 upx: SEGV on PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cppIssue Tracking;Patch;Third Party Advisory
-
https://github.com/upx/upx/issues/631
SEGV on PackLinuxElf64::invert_pt_dynamic · Issue #631 · upx/upx · GitHubExploit;Patch;Third Party Advisory
Products affected by CVE-2023-23457
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
- cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*